Papa Don Jet Ski
Papa Don Jet Ski
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Sea-doo Vibration and Engine Noise
I've been experiencing a slight vibration and an engine noise that could only be heard live. I believe I know what the problem is, and it lies with the pump.
มุมมอง: 729

วีดีโอ

97 Seadoo XP Engine Pull, Step by Step
มุมมอง 9644 หลายเดือนก่อน
Pulling the XP 787 engine and prepping it to go into a 96 Seadoo GTX.
Seadoo 787 Engine Tear Down, Step by Step.
มุมมอง 2.3K4 หลายเดือนก่อน
I'm dismantling this 787 engine to see if or how much damage was done when it overheated. I'll going to go step by step in case you are looking for some confidence to do something like this yourself.
Seadoo GTX blown engine removal step by step.
มุมมอง 5K5 หลายเดือนก่อน
The 1996 Seadoo GTX engine I rebuilt last year has already blown up again. In this video I'm showing the 787 engine removal step by step.
SeaDoo will not start up pt 2. Is it the carb check valves?
มุมมอง 1.5K5 หลายเดือนก่อน
In the first video, I checked spark and compression, changed the fuel lines, fuel filter, and fuel selector, but my 98 GTS still would not start. That only leaves the carb, so today we are pulling the carb to find out what is keeping this ski from starting up.
SeaDoo will not start up. Replace fuel system step by step.
มุมมอง 4.7K5 หลายเดือนก่อน
My 98 Seadoo will not start, it just cranks over and over. It has to be my fuel line system or a dirty carb. I'm going to change the fuel lines, fuel selector and filter first to see if that fixes my start up problem. If not, I'll pull the carb.
How did I NOT SEE missing oil tank when buying 97 Seadoo XP.
มุมมอง 9489 หลายเดือนก่อน
I purchased a 1997 Seadoo XP and didn't notice the oil tank had been removed and oil lines blocked off.
Drive Shaft BUMP Fix - DIY on Ford F-150
มุมมอง 15610 หลายเดือนก่อน
I actually did this video 2 years ago, just never uploaded it. At first, I thought my transmission was playing out because I was having these thuds or bumps, like someone was hitting the rear end of my truck, when I stopped and/or accelerated. Turned out to be an easy fix and my truck has run great since.
2013 Kia Soul DIY rear brake pad replacement
มุมมอง 60010 หลายเดือนก่อน
After paying over $400 for a front end brake pad and rotor job on my wife's car, I thought I would change the brake pads myself on my son's car. Doing it myself cost me just $55.
Seadoo 787 engine full of 2 stroke oil after sitting. installing a shutoff valve.
มุมมอง 1.3K10 หลายเดือนก่อน
I have a bad crank seal which allows oil to fill the crank case. I've never had this boat on the water since buying it about a year ago and I don't have time for an engine rebuild right now. So, I'm installing a shutoff valve on the oil line so that I can at least get it on the water before the boating season ends. I'll do the rebuild over the winter months.
Melted Rave Valve on my 1997 Sea-doo Challenger.
มุมมอง 91611 หลายเดือนก่อน
I purchased a 1997 Sea-doo Challenger 1800 and was just going over the boat checking everything and discovered that one of the engines had melted a rave valve. So, I'm rebuilding the melted valve and cleaning the others.
Breaking water line on a 98 Seadoo GTX turns out to be a good thing!
มุมมอง 902ปีที่แล้ว
I was upset about pinching off a water line which created a leak. However, when I removed the hose, I found out a dirt dauber had made its way into the water line and sealed it off with dirt.
No Start Seadoo...Bad Dess Post? Lets Test and find out, then replace.
มุมมอง 31Kปีที่แล้ว
No Start Seadoo...Bad Dess Post? Lets Test and find out, then replace.
Finally, 96 Seadoo GTX runs!
มุมมอง 5Kปีที่แล้ว
Finally, 96 Seadoo GTX runs!
Would you buy a Jet Ski from me???
มุมมอง 1.2Kปีที่แล้ว
Would you buy a Jet Ski from me???
DIY Garage Hoist Install Part 2...Reinforced.
มุมมอง 2.8K2 ปีที่แล้ว
DIY Garage Hoist Install Part 2...Reinforced.
New Sea Doo boat unfortunately is now my new project!! 😢
มุมมอง 1.8K2 ปีที่แล้ว
New Sea Doo boat unfortunately is now my new project!! 😢
Easy DIY Garage Hoist Install
มุมมอง 57K2 ปีที่แล้ว
Easy DIY Garage Hoist Install
Damaged crankshaft threads REPAIRED! What tool did I use?
มุมมอง 7K2 ปีที่แล้ว
Damaged crankshaft threads REPAIRED! What tool did I use?
1996 Sea-doo GTX - Assembling the 787 engine
มุมมอง 2.1K2 ปีที่แล้ว
1996 Sea-doo GTX - Assembling the 787 engine
No start Sea-doo. MPEM? Lets check the Starter, Starter Relay, Dess Post, Key & Start Button
มุมมอง 21K2 ปีที่แล้ว
No start Sea-doo. MPEM? Lets check the Starter, Starter Relay, Dess Post, Key & Start Button
HELP! I've damaged the crankshaft threads rebuilding a 96 Seadoo GTX engine.
มุมมอง 7252 ปีที่แล้ว
HELP! I've damaged the crankshaft threads rebuilding a 96 Seadoo GTX engine.
1996 Sea-doo GTX crankshaft bearings test and broken Rave Valves Part 5
มุมมอง 2.7K2 ปีที่แล้ว
1996 Sea-doo GTX crankshaft bearings test and broken Rave Valves Part 5
1996 Sea-doo GTX Removing Pistons & Crankcase Bolts Part 4
มุมมอง 1.8K2 ปีที่แล้ว
1996 Sea-doo GTX Removing Pistons & Crankcase Bolts Part 4
1996 Sea-doo GTX 787 Engine Removal Part 3
มุมมอง 4.6K2 ปีที่แล้ว
1996 Sea-doo GTX 787 Engine Removal Part 3
1998 Sea-doo GTX Limited Compression Check & Part Inventory Part 3
มุมมอง 2.3K2 ปีที่แล้ว
1998 Sea-doo GTX Limited Compression Check & Part Inventory Part 3
Is the engine locked? Part 2 Saved abandoned Kawasaki 900 zxi Jet Skis
มุมมอง 4.7K2 ปีที่แล้ว
Is the engine locked? Part 2 Saved abandoned Kawasaki 900 zxi Jet Skis
Saved 2 Jet Skis from going to the dump!
มุมมอง 1.8K2 ปีที่แล้ว
Saved 2 Jet Skis from going to the dump!
2 Broken Jet Skis sitting for years, will they run? Part 2
มุมมอง 3K2 ปีที่แล้ว
2 Broken Jet Skis sitting for years, will they run? Part 2
2 Broken Jet Skis sitting for years, can they run again?
มุมมอง 8K2 ปีที่แล้ว
2 Broken Jet Skis sitting for years, can they run again?

ความคิดเห็น

  • @SleepingGaint
    @SleepingGaint 5 วันที่ผ่านมา

    What was wrong with the fule alarm?

  • @nonyabiz2777
    @nonyabiz2777 5 วันที่ผ่านมา

    Nice work. My wife bought 3 with trailers. I never wanted any or never wanted to work on them. But the wife and grandchildren love them so I learned how to work on them. I dislike water or the ocean but my family loves it. My love is as deep in the mountains I can go and have a relaxing week hunting or just surviving. Thank you for your time. Bravo sir.

  • @marcbrazzers
    @marcbrazzers 6 วันที่ผ่านมา

    What ended up being the problem??

  • @raygaither9369
    @raygaither9369 6 วันที่ผ่านมา

    Thank you for the videos. I have an 2001 XL 800 that I have to do a top end rebuild on and this was a great tutorial.

  • @Ragnarou812
    @Ragnarou812 10 วันที่ผ่านมา

    Hello! Nice video, very helpful since it stimulates the brain. I pick and choose the additional replies left by your viewers. I skip over the negativity but weigh the safety concerns. Just finished with installation of a two door 30' wide 35' deep all steel garage. I'm happy the roof trusses are designed and bent to provide the cross pieces for bicycle racks and such. The concern being the lifting and hoisting kayaks up for storing when not in use, also removing them from roof racks on vehicles. Your electric hoist is a much better choice over the "by hand manual" method which also is not good for the backbone! Excellent! I especially like the idea of mounting the components to a "ceiling" with clear view of structural design. Please keep an eye on your mountings in the ceiling of your garage, they DO scare me a bit! I haven't watched your 2nd video yet but will after this comment. Thanks to other viewers for pointing out their concerns, use positive reinforcement in comments. Nice goes a long way!

  • @timking2997
    @timking2997 13 วันที่ผ่านมา

    What

  • @timking2997
    @timking2997 13 วันที่ผ่านมา

    No comment

  • @timking2997
    @timking2997 13 วันที่ผ่านมา

    So I have no idea what a pop off test is. I guess I can find out on here though.

  • @Kru-r5l
    @Kru-r5l 14 วันที่ผ่านมา

    Why not just paint

  • @jamesacurtisjr
    @jamesacurtisjr 18 วันที่ผ่านมา

    Great Video, Quick questions you think it will work for 1300lb hoist. and where did get the other hardware from lag bolts, roller bearings, etc...

  • @gabrielgonzalez917
    @gabrielgonzalez917 19 วันที่ผ่านมา

    Hello I just saw your video and I’m looking to myself. Great job I’m doing that right now too 👍👍👍

  • @jeffmathis1980
    @jeffmathis1980 หลายเดือนก่อน

    Where do you live at in Mississippi? I just bought a 2006 Kawasaki stx 900. My story is just like yours! I have no knowledge of jet skis and this is my first one. It runs but runs slow. Any ideas? I wish I could meet you so you could give me some pointers..

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      I live in the northwest corner of MS. I'm only about 30 minutes from Memphis, TN. Going slow could be one of a number of things like the jet pump, carbs, compression or fuel lines. If you don't know the history of the jet ski and how it was maintained, then you kinda have to go a step at a time until you find it. Do what I did and search message boards. I find a lot of answers there.

  • @effx33
    @effx33 หลายเดือนก่อน

    Do you have to take pump out to remove engine?

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      @effx33 Yes. To remove the drive shaft you have to pull the pump.

  • @HuyNguyen-cw7es
    @HuyNguyen-cw7es หลายเดือนก่อน

    Mine having same hard start issue after parked it for a couple daya. i have to put fuel into the cylinders for it to start up. But after that its ilde good, and crank right back up anytime after that.

  • @BilkusDZ
    @BilkusDZ หลายเดือนก่อน

    Bonjour j’ai exactement le même gtx 1996 seadoo 110 chevaux en France je ne m’en sert plus depuis 2005 mais j’ai pour projet de le restaurer tranquillement car les young timer sont meilleurs en vrai.. merci pour ta vidéo

  • @SleepingGaint
    @SleepingGaint หลายเดือนก่อน

    Are you still running this ski? Is the how is the motor holding up?

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      I am and it runs good. My sons and me were going to take some skis out today, including the Yamaha, for a day at the lake but our plans fell through. I hope we can get them out next weekend.

    • @SleepingGaint
      @SleepingGaint หลายเดือนก่อน

      @@papadonjetski9535 GLd to hear that, I just picked up a 2001 lx 800. It’s having a cavitation issue outta the hole. I bought the pump seal kit to fill all the voids in the plate underneath. I’ll be installing it tomorrow and resealing the plate and shoe. Hopefully that solves that issue. It has a solas impeller and a new wear that look in great condition.

  • @JimStevens-q4c
    @JimStevens-q4c หลายเดือนก่อน

    I thouroughy enjoyed your video. I am 71, and know nothing about jet skis. I have begun watching you tube videos on these things. I am mechanically inclined so that doesn't bother me. Anything cheap around here never has titles to them. I was given a pair of 1997 seadoo xps . Both of them absolute basket cases. No titles. I guess I will attemp to rebuild one just for the fun of it. Are all the parts on these things, one year, or can some parts interchangeable? Have a great day!

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      97 SPX's are great skis. A very tight hull to work in but I love my XPS. You will find that a lot of parts are interchangeable. Some parts are specific to the engine but many can be used in different skis. In fact, I've used parts from a Ploaris on Seadoos and Kawasakis.

  • @bobbycoates5994
    @bobbycoates5994 หลายเดือนก่อน

    make sure to turn your oil line off when your done useing it it will not dump oil in when not in use

  • @johnniedickson3453
    @johnniedickson3453 หลายเดือนก่อน

    Bought mine for 200. Got it running mint within a few hours

  • @peters1821
    @peters1821 หลายเดือนก่อน

    Thank you for sharing this video. I'm going to do something similar in my garage hopefully soon!

  • @ernestl709
    @ernestl709 หลายเดือนก่อน

    My 01 Yamaha waverunner cranks but won’t start & it gives a warning for no fuel but my tank is full. (new battery-spark plugs-starter solenoid relay)

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Sounds like a problem with your fuel pickup module inside your fuel tank. Make sure the wiring harness is connected to it because it sounds as if it is not drawing fuel or registering your fuel level.

    • @ernestl709
      @ernestl709 หลายเดือนก่อน

      @@papadonjetski9535 I replaced it & still cranks but no start Ill be getting the gas out because I forgot that it was sitting for too long

  • @rcppop3090
    @rcppop3090 หลายเดือนก่อน

    My good sir. You’re selling yourself way too short. You say you aren’t mechanically inclined but if you were able to read forums and watch TH-cam videos to teach yourself how to repair these machines you’re very capable and mechanically inclined in my book good job.

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Thanks. I was in a position in which I had to learn or never get out on the water. I'm still reading and watching other youtubers who know more than me.

  • @justinwilliams3870
    @justinwilliams3870 หลายเดือนก่อน

    I have this exact year and ski, with exact same issues, going to go through the checks to get it figured out, thanks for the video!!!

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      I hope you got your Seadoo figured out. It can be very frustrating.

  • @jeremycook4639
    @jeremycook4639 หลายเดือนก่อน

    I am in Mississippi got a 97 check carbs 10 times runs perfect on hose gets in the water with a load 3500 rpm max. Apply choke it kills it immediately any idea or suggests just check raves again

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Did you get if figured out? I hate those kinds of situations because it could be one of several things. The first things that come to mind is fuel pressure or the rotary valve cover plate. If the cover plate is worn down then you lose power on the water.

    • @jeremycook4639
      @jeremycook4639 หลายเดือนก่อน

      Rebuilt carbs again changed the plunger on rave valves and spark plugs one of them 3 fixed it. Ski ran better then it has ever all day yesterday

  • @iohm1235
    @iohm1235 2 หลายเดือนก่อน

    does it also applied to DI models too? thanks for any inputting.

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Sorry for a late response, but yes, it applies to DIs.

    • @iohm1235
      @iohm1235 หลายเดือนก่อน

      @@papadonjetski9535 thank you.

  • @yaboytaiiger3170
    @yaboytaiiger3170 2 หลายเดือนก่อน

    Hey boss , I have a question , I recently bought a 2003 GP1300r about a month ago. The ski runs , took it on the water for a full day and it worked perfect except the fuel hose kept coming off which led to getting fuel in the hull , second time around I took it on the lake and same thing happened and when I tried starting it back up I guess the gas and a spark w the battery created like an explosion but nothing huge , nothing broke just burnt some hairs of my leg 😅 but right after that I let it sit for a while and it started right back up with no problems! What do you think I should do apart from fixing the hose so is longer and doesn’t come off ? Also it has around 190 hours ! And is it normal for it to let out a lot of smoke ?

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Man, you are living life on the edge! That ski could have exploded into flames and hurt you seriously. It may have not damaged the ski, just consumed the fumes from the fuel. It is normal to smoke at first, but it should clear up as you ride. If it doesn't then your fuel/oil mixture is off.

    • @yaboytaiiger3170
      @yaboytaiiger3170 หลายเดือนก่อน

      @@papadonjetski9535 what mix do you recommend? The ski is tuned and I got it like that

  • @cbeserra
    @cbeserra 2 หลายเดือนก่อน

    Great video! Thank you

  • @ronnieammons875
    @ronnieammons875 2 หลายเดือนก่อน

    I have exact same waverunner 2002. Your video was a great help. Mine has 120psi on front cylinder and only 30 on rear so saw broken ring or stuck so may put new head on and since I saw main seal in yours I'm going check that also. One thing I wanted to share is mine has oil in bottom but may be I over flowed when I filled it but anyway wanted to tell you if interested that make a block off plate that goes where oil pump goes and can mix your own gas and then you know it's right so I'm going do that because heard oil line bad to break or come loose. Thanks for all information. Ronnie Waynesville NC

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Yeah, the oil lines on Waverunners are known to work their way off. I double zip tied my oil and fuel lines.

  • @SleepingGaint
    @SleepingGaint 2 หลายเดือนก่อน

    Sounds like one could make a fortune fixing these.

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      I don't know. People do not want to put a lot of money into these old pwcs and it makes sense.

  • @ryanwilliams5017
    @ryanwilliams5017 2 หลายเดือนก่อน

    Is the kind of clanking sound normal for a 95 2 stroke?

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Yes, that clanking is usually your jet pump.

  • @bartjohnson80724
    @bartjohnson80724 2 หลายเดือนก่อน

    What about one clique

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Did you get this figured out? If you hear a click then it usually is your relay or starter that is the problem.

  • @jamesrearick2672
    @jamesrearick2672 2 หลายเดือนก่อน

    Nice video thankyou. Which brand would you day is the most reliable.bi have a sea doo which gives me constant oroblems. I have a honds that just runs snd runs w no issues. I do alm the maintenance. How are yamahas and kawasakis? Thankyou!

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Well, I have a lot of Seadoos because they are commonly the ones selling for next to nothing. That should tell you something. Kawasakis are my favorite with Yamahas a close second. I've never owned or ridden a Honda.

  • @apocolypse11
    @apocolypse11 2 หลายเดือนก่อน

    If u know how to work on them yes. But actually know how to work on them. Lol

  • @SnanSYTP
    @SnanSYTP 2 หลายเดือนก่อน

    Quick question, was a 1995 spi for 950 dollars a good pickup? She runs good, cranks on the first try. Engine looks solid as well

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Yeah, I would say thats a pretty good deal for a good running pwc. Especially if it came with a trailer.

  • @AchikSarih
    @AchikSarih 2 หลายเดือนก่อน

    Merci beaucoup ❤❤❤❤❤❤❤

  • @AchikSarih
    @AchikSarih 2 หลายเดือนก่อน

    Merci beaucoup ❤❤❤❤❤❤❤❤❤

  • @denniscox7233
    @denniscox7233 2 หลายเดือนก่อน

    😢 I have a 1998 GTS 717 seadoo, bought new. Does the oil injector move with the throttle. What makes the injector move. I just installed carb & cables. The throttle operates great however the injector is not spring loaded & doesn’t move with the throttle cable. Does it move only when the engine is running? Thanks.

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Sorry for the very late reply. Did you get this figured out already? Yes, the oil injector works in conjunction with your throttle so that you always get the correct amount of oil. The oil pump lever that your cable connects to can be tricky. It is spring loaded, but you have to turn the lever counterclockwise a full rotation or more before the spring takes effect. Is your missing the spring? If it is working correctly then it will work with the engine shut off.

  • @PimomIvan-pq4uy
    @PimomIvan-pq4uy 2 หลายเดือนก่อน

    Astăzi 😂

  • @timothywald9079
    @timothywald9079 2 หลายเดือนก่อน

    Looking to get into jet ski (a pair) with limited funds. Would have loved to buy a couple for my family. I'm new to jetski ownership - so you're channel is great source of information.

  • @ProTurbo1988
    @ProTurbo1988 2 หลายเดือนก่อน

    Thank you good video keep it coming, don't forget the BLK/Yellows wire need 12 Volts at all time

  • @jaye68313
    @jaye68313 2 หลายเดือนก่อน

    Are you sure it's not the good old seadoo pump rattle! 😂 You can rent that tool why buy it your only gonna use 2 times max. Good information anyway thanks.

    • @papadonjetski9535
      @papadonjetski9535 2 หลายเดือนก่อน

      @jaye68313 100% sure it wasn't the pump rattle. I think you can hear the pump rattle in the video. I have put off buying one for a long time, but I have 6 skis so I'm gonna need it .

  • @Factory928AC
    @Factory928AC 2 หลายเดือนก่อน

    I think we all want that tool but don’t want to pay for it cause we will use it under 5x 😭😭

    • @papadonjetski9535
      @papadonjetski9535 2 หลายเดือนก่อน

      I put it off long enough, but I have 6 skis so I'll need it more.

  • @wmrra61
    @wmrra61 2 หลายเดือนก่อน

    Hi, since you know a lot about these two strokes, I have a 97 gtx. It just randomly shuts off. Like I loose all power. Pull the key and plug it back in and starts up. Any ideas? Thanks!

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Did you already get this figured out? I have a ski that is doing that right now. I'm thinking it is fuel related or a ground issue. I''m going to pull the carbs and clean them and then I'm going to replace my ebox with the relay and coil pack. I have some rust in there that may be causing the engine to shut off. My ski may run 5 minutes or 5 seconds before it just shuts off. If that doesn't fix it then I'll try one thing at a time until I find it.

  • @raworthyel3786
    @raworthyel3786 2 หลายเดือนก่อน

    I used the old spark plugs to pull it up

  • @flat6fever680
    @flat6fever680 2 หลายเดือนก่อน

    What are the best years as far as reliability for the older Sea Doo's? Like 1997 ish? I had a new 97, the top of the line model in like a forest green. I'm looking to get back into these but hear the DFI can be a nightmare from early 2000 model years? Anyway, what are some good years for the older 3 seater Sea Doo and Yamaha's? Thank you!

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Hey, sorry for the slow reply. I have a 96 GTI and a 97 SPX that have run the best of all my skis. When I say the best, I mean less maintenance. I would say 96 to 98 are the best in my opinion and that includes Yamaha and Kawasaki.

  • @willwitt1020
    @willwitt1020 2 หลายเดือนก่อน

    Got one for free today, the starter is spinning but other than that it’s not kicking over

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      Do you mean the starter is turning the engine over, but it doesn't start? If so then the carb is the first thing to address.

  • @JamesGill-c9f
    @JamesGill-c9f 2 หลายเดือนก่อน

    You obviously hooked that up wrong. Your bottom pulley is bound up.

  • @tekofo2
    @tekofo2 3 หลายเดือนก่อน

    the tank has fuel pick ups, with time the hoses deteried check them out i bet thats what it is

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      It turned out to be the check valves in the carb.

  • @taylorhopkins5645
    @taylorhopkins5645 3 หลายเดือนก่อน

    Where does that T fitting water line end up going to? At 37:45

    • @papadonjetski9535
      @papadonjetski9535 หลายเดือนก่อน

      I've never checked. I assume it is draining out through the rear of the ski.

  • @eclipser2004
    @eclipser2004 3 หลายเดือนก่อน

    I think the scuffing on the piston sides might be due to not being warmed up fully before high speed use. Not sure though. "Cold seizure" it may be called? Doesn't look nearly as bad as some I've seen. 2 Strokes are very temperature sensitive. Usually on the exhaust side of the piston if it cold seizure. Hot expanding piston and a cold water-bathed cylinder. I may not be correct on this. Just something I heard about in places with colder water.