What I appreciate about John making these videos for us is the fact that he’s not profiting from slowing down his day and filming/editing these videos. He’s actually giving more and more to the community of riders, and future riders by making all of these wonderful videos for us.
Thanks Glen most dont know how to do compression correctly. Also good to have a tester that threads into the cylinder as far as the spark plug and has the Shrader valve at the bottom (no adapter)
Thank you for doing the video. I've noticed in a lot of the Facebook groups people are using Harbor Freight or other cheap gauges and getting inaccurately low results. Just today somebody had an engine with 90/90 using a Harbor Freight gauge. So using an accurate gauge is very important. If an engine has bad compression very often one cylinder is a lot lower than the other. So you wouldn't want to pull an engine to rebuild the top end based solely off one compression test. A fully charged battery is important too.
Nice video!!! I always do mine with the throttle open but both plugs out. So when you do it and leave the plug/s in do you leave the wires on the plugs that are in the head or ground them put somewhere else? My skis will run on one cylinder 😂
Thanks for watching. On a traditional 2-stroke, When "I" do it normally, I leave a plug in, and I do ground both wires while testing to protect the CDI. I do not ground the plug in the cly for fear of it starting on one cyl. I use an extra plug in the boot, and ground it to the head. OR on Kawi's they have plug wire grounding posts.
@@watercrafttalk2738 I would think it should turn over more easily with the spark plug(s) removed because the starter doesn't have the resistance of compression. But you just showed us it spins faster with the spark plug in! I'm totally baffled why this is the case! Any ideas?
@@watercrafttalk2738 Wouldn't the down stroke be less compression than the upstroke where the firing event takes place? Anyway, I saw it spin over faster in your video with the plugs in, so I can't deny that. I'm just having a hard time wrapping my brain around it!
Thank you for this video. I need to do a test on my ski and needed the information you provided in this video. Thanks
Thank you for watching.
What I appreciate about John making these videos for us is the fact that he’s not profiting from slowing down his day and filming/editing these videos. He’s actually giving more and more to the community of riders, and future riders by making all of these wonderful videos for us.
Thanks for watching, and thanks for the kind words.
Thanks Glen most dont know how to do compression correctly. Also good to have a tester that threads into the cylinder as far as the spark plug and has the Shrader valve at the bottom (no adapter)
Thanks for watching
Keep making videos we love them, more builds and how tos and what not they are all good! Keep rocking!
Thank you
Good stuff. Hard to find good in detail PWC repair and maintenance info, keep em coming.
Thank you for doing the video. I've noticed in a lot of the Facebook groups people are using Harbor Freight or other cheap gauges and getting inaccurately low results. Just today somebody had an engine with 90/90 using a Harbor Freight gauge. So using an accurate gauge is very important. If an engine has bad compression very often one cylinder is a lot lower than the other. So you wouldn't want to pull an engine to rebuild the top end based solely off one compression test. A fully charged battery is important too.
The man, the myth, the legend.
lol.....
Awesome video John! Hope you are enjoying the Summer!
Thanks for watching
Could you do a video on winterization?
It is something we could consider.
Think I heard Chris Fischetti name drop you in that Ride By Day Wrench By Night podcast from VintageJetSki the other day. Always helpful dude!
It’s a shame that guy running that site decided to turn in to a low life scammer. I want to buy the domain from him
Nice video!!! I always do mine with the throttle open but both plugs out. So when you do it and leave the plug/s in do you leave the wires on the plugs that are in the head or ground them put somewhere else? My skis will run on one cylinder 😂
Thanks for watching. On a traditional 2-stroke, When "I" do it normally, I leave a plug in, and I do ground both wires while testing to protect the CDI. I do not ground the plug in the cly for fear of it starting on one cyl. I use an extra plug in the boot, and ground it to the head. OR on Kawi's they have plug wire grounding posts.
@watercrafttalk2738 ok awesome I will try that when I get home amd see!!! Keep up the great work my friend and have a blessed weekend
@@watercrafttalk2738 I would think it should turn over more easily with the spark plug(s) removed because the starter doesn't have the resistance of compression. But you just showed us it spins faster with the spark plug in! I'm totally baffled why this is the case! Any ideas?
@@AtimatikArmy Compression on the down stroke.
@@watercrafttalk2738 Wouldn't the down stroke be less compression than the upstroke where the firing event takes place? Anyway, I saw it spin over faster in your video with the plugs in, so I can't deny that. I'm just having a hard time wrapping my brain around it!
I heard you want to disable your spark or grounds your plugs so you dont stress your coil
Correct