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Twin Cam Tear Down Part 2 | Twin Cam 107 | HARLEY SUMPING SYMPTOMS | Kevin Baxter - Pro Twin
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- เผยแพร่เมื่อ 31 ก.ค. 2024
- It's a Twin Cam Tear Down! In this Harley tear down for a twin cam 107, twin cam 96 upgrade, we look into Harley sumping symptoms. This is part 2 of a multipart series on the build of a Skunkworks 107. I will inspect and explain every component telling you exactly what to look for. We tear down this Harley Twin Cam 96 or Twin Cam 88 step by step. Harley M8 vs Twin Cam. Which is better? Is the Twin Cam Harley better than Milwaukee 8? Or is the Harley Milwaukee 8 better than the Twin Cam?
www.baxtersgarage.com
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Pro Twin Performance and Baxter's Garage
723 W Winder Industrial Pkwy
Bldg 1
Winder, GA 30680
(678) 226-9651
0:00 Initial Tear Down
01:09 Primary Chain Inspection
03:13 Compensator Problems
08:59 Harley Charging System Explained
12:34 Removing Heads and Cylinders
16:10 Harley Sumping Explained
29:00 Closing
Give this guy a tv show already...👏👏👏
I agree. Except the editing and time slots would drastically affect the quality.
I know huh! It would be a over night hit for sure!
thanks man. there was a time when there were a few good car and motorcycle shows. when Discovery channel very first started doing bike build off episodes, they were cool. no drama. just building bikes. then...they had to throw in ridiculous challenges, time frames, faked supplier issues, etc to keep viewers. Then the OCC Jerry Springer show started and it became far less about the bikes. Those shows did give a much needed boost to the industry though so hard to be too rough on it. If you know any production companies that wanna do a pitch, what the heck...im in....but i get to choose the content. LOL
he is the best
I cannot get enough of watching ya Kevin. ..... Kevin you need, T.V. series's, DVD's and books. I need a library of your knowledge. You are bloody priceless.
14:20 looks like someone needs a breaker bar for Christmas :-)
ha ha
Just getting to watch, wow...that is why we had no oil pressure . Darrell said he didn't realize it was that bad. Scary stuff when you think about if we had not stopped riding it before we even brought it to you. We could have caused more damage to the bike or worse, we could have been hurt if it locked down going down the road. Enjoyed watching you take it apart and seeing the damage as you see it. Thanks for all you are doing to fix our bike.
it was worse than I thought it would be too. But...that new perfect flywheel assembly sure is pretty. LOL
I am sure it is 😁
Great video again. It's like watching a college professor teach a motorcycle class! You have found a new media format.
My 13 Street Glide had 10,000 crank run out. Tore it apart and put a Dark Horse signature series crank in which was dead nuts. Couldn’t be happier with that $1700 decision. Great video brother. 👊
Wow! Seeing this makes me start wondering about mine.
I am about to pull my 103 out of my 2009 Trike for a stripped bolt supporting the torsion plate on the front cylinder. I have watched pretty much all your videos and so much for a simple fix without doing a whole lot more due diligence. A smart technician is one that leaves all questions answered. Thank you from Canada and keep up the great work!
grabbing a beer and going to the garage to watch this 😁👍🇺🇸
That much carbon is why I've chosen an EBS for my Dyna. A catch can and some plumbing will mitigate the build up.
Great videos Kevin. I've visited many channels... And you're by far the most knowledgeable. That, and you're able to explain these issues in lay terms.
Keep it up. 👍🏽🤙🏽
I own a 2014 sportster 1200. When ever i watch these videos it reinforces the idea that my sportster will be the last Harley-Davidson I will ever buy. This guy is the perfect demonstration why a good independent mechanics are worth every penny they charge.
Witness marks. Absolutely love the term.
I always enjoy the videos and information that Mr. Baxter provides. These talks and series are pure gold and a veritable trove of concise, indispensable reference material. Best of all Mr Baxter makes it all easily found and catalogued for free!!! I dare you to ask someone else divulge all the knowledge and techniques that he/she uses to house, feed and clothe their family. Kudos and a great big thanks go out to Mr. Baxter. Glad to hear this motor is getting a Hoban brothers Darkhorse crankshaft and compensator. Those items are amazing products. Just had my 07 FLHX with a tad over 35k on the odometer bumped up from 96ci to 107ci and had those installed in my build. Much like the engine in this video, I found that my bike had a significant crank issue that was yet undetected but my bike was on the verge of catastrophic failure. Instead of a manual chain tensioner I went with a Southern Oregon Hot Bikes hydraulic chain tensioner and I love how stable the drivetrain feels now, especially how much the shifting has improved. I can't wait to see the next installment in this series!
Great, I get to imagine what my 07 with more miles and probably a harder life has in store for me, still running good though
Amen to that.
Have the same 96 ci Twin Cam on my 2010 Road Glide. So far, mine is running good at 48 K. It's great seeing the inner workings of this particular motor.
You are a top notch motorcycle mechanic.
Great job! Awesome video! Thank you for doing these series’s. I enjoyed watching you work and learned a whole lot. Keep up the good work. Cheers! 🥃
Thank you so much! I’ve been wanting to see a video like this for awhile. Finally you showed us.
Again I learn so much. This is great stuff. Thanks for all the effort if filming and editing.
Love these series. I'm enjoying learning about these motors and your great explanations of the issues you find.
Great video as always and i say it over and over. I could watch this type of informative content everyday especially as it is explained as you do. Look forward to the next episode. I bet the individual who owns this scooter is amazed at what they are seeing.
Loving this twin cam series Kevin, thanks for sharing. Cheers from Oz
wow, eye opener!! Thanks Kevin, Loving these videos.
Excellent vid, the head cam is working out great, thanks guy.
Always wondered how you split the case open. I'm glad I stumbled across this channel very interesting and informative.
Are any of your findings ever reported back to Harley development engineers so that they can correct the issue in a future build?
Enjoy the camera format and information. Thanks Kevin
Great video and explanation of the the tear down process. Great to see someone going through piece by piece to find and solve problems rather than slamming expensive parts in and shipping them out the door.
Rebuilding my 01 after 78,000 miles, wished I’d seen this earlier would love to have known how bad my crank was!!! Great video 👍😎👍
Thanks for showing. I have a 2010 96, which gives me a better understanding of my ride
Thanks Kevin for taking the time to do this for all of us.
You are very welcome. Thank you so much for your support !
Anxious to see findings of my tear down, but I digress. Enjoy the commentary as you go, thanks. Bob
Awesome information! So glad that I found your channel! 👍
Welcome aboard! Thank you so much Rick. Greatly appreciate you sir.
Great video Kevin. Please show and explain the install of the Dark Horse compensator when you get back to the crank. That's my winter project! Thanks for more great insight.
Thanks Kevin!! Another great learning experience!!
Glad you enjoyed it Thank you Billy
You are pretty strong, lifting out that motor, brother Kevin. Liked the wooden block stand. Noticed how an extra set of hands is a winner when lifting to the cart, and breaking loose bolts, etc. I’ve been that “second man” so many times as I am apprenticing and have worked at a few shops… this is a humbling craft and i’m grateful to be involved. THANK YOU and your team, for all these helpful videos!!!
I tought I saw sumping? I did, I did see sumping! Great series Kevin.
hahaha. you did taw a puddy sumping. LOL. Thanks for backing the channel sir!
Well that's an eye opener. This is a channel choked full of a wealth of information. This rebuild is making wonder about my 50,000 + mile 2007 Road King , she runs great to me though.
The amount of knowledge you have blows my mind . Kudos to you !
Kevin come visit tenn!
Thanks!!! Loved learning what blow by actually was!
You are so welcome! Thank you Travis!
Sure is different from my old 62. You really are helping me get familiar with these newfangled computer motorsickles.. I'll guess I'll ride this Rushmore Road Glide until it makes racket and then crank the throttle to get that there catastrophic thing you talked about. At least it will be exciting!
this explains why I was probably losing power on my 07 bagger. just had 30,000 on it. makes sense. great information. makes me wonder what I have coming on my 2010 heritage.
This is a great learning experience- I have a twin cam updated to 107 and Evolution from S&S unknown upgrades but it is a beast, Thank You for the great content.
thank you Victor. Glad you enjoyed it sir. Thanks for your support!!!
Thank you for the education on twin cam engines. I have been riding a TC88B for quite some time now and it helps me to know what’s going on in the motor. If I could afford it I would have the runout checked on my motor and also switch to a manual tensioner on the primary. My bike/engine has about 64k miles on it. Thanks again.
Thanks again for the video series Kevin. I was checking out your new website and it looks good. It's more appealing and less congested. Navigation is more structured and more intuitive. Good job!
Cool, thanks! I appreciate that sir! just like anything else...itll take time.
I ride a 16 SGS with a 103... I think I'm sumping, not sure. Went to Sturgis from Winnipeg, over 3500 Kms total, down over a quart of oil. Plugs are clean, very little oil in the breather. Primary is where it should be. I have to pay a HD dealership to do a bunch of tests. I wish I could do this as my 9-5... Great content Mr. Baxter!
Hiya Kevin, like your bone assisted hands if I worked that fast on cars, trucks ERF I'd be a millionaire now & not only have two Harley's but an Austin Martin 'first V8' like my Harley SEX on wheel's, so at 68+ I'm happy to be alive (but not in GB). Keep up your great work, Pete.
I agree you guys are thorough!!!!!!
I'm glued to TH-cam for the next one. Great series, Kevin. My previous HOG was a 2007 Street Glide and now have a 2017 Police FLHTP M8. Looks like I should think about a Skunk Works M8 build for peace of mind.
Kevin is getting my m8 2020 FLHTP tomorrow to skunk up... stay tuned!
I had a 2008 CVO, 110 CID. Went thru 4 compensators of varying HD design revisions, 3 sets of lifters, cams, oil pump, cam bearings, etc. in 127,000 miles. Always had to wipe out the SE air cleaner at 500 miles so not to wet the air filter. It was fitted only with Stage 1 (hi-flow air cleaner, Rinehart Tru duals, and dynoed). Traded for a new 2016 SE Ultra Ltd, 110 motor, liquid-cooled) - have not had an issue in 40,000 miles. Have RC exhaust, it came with hi-flow air cleaner, dynoed so no decel pop. Runs great still. Only odd noise I get is what sounds like a loose primary chain when I let the RPMs get low (1600 or so). Love your show, keep 'em coming!!
Great videos really enjoy watching and learning 🙏
Many thanks
You are an outstanding mechanic
I gotta say .... I love how you handle wrenching on fasteners,,, by hand...
let me clarify a little..... I worked on specialised pressure gauges for 20+ years.
To be more specific,,, I worked on the movements ( analog gauges )
so all my tightening,,,, un tightening were done with human power lol
that has carried over to wrenching on my bike. lots of torque specs also
keep up the good work
Love the videos - It seems to me like the most true to original and most reliable Harley are still the sportsters. My 07 sportster - had 20k miles when I sold it (all put on by myself) never had an issue just basic maintenance and was dead simple to work on myself.
Another great series of videos Kevin.
I did the whole new compensator and chain tensioner last winter along with new cams, cam plate, lifters, pushrods and oil pump at 25k miles. No issues all riding season but watching this video what other issues can I look for that can tell if it’s sumping?
If this video isn't proof Harley is selling junk what is ?
If the owner didn't have an extended warranty he would be doing this job or paying big time to fix it.
Nice to have Mr Baxter showing us what to expect.
I had the witness grooves as well on my 07 FLHT and came to that same determination- Thanks for verifying this Issue. I did also find that my starter ring gear had spun and was not flat or true. I put a straight edge on it to find the 12/6/3/9/position and tack welded i, lightly, had same issue and removed factory chain tensioner and put in a Hayden rewelded it a bit more penetration. I hated that welding was my only option, at the time but the welds being consistent and some grinding no major issues. I should have drill and use set screws like in the gear box maintenance manufacturing environment. this is just a FYI if anyone needs to make a repair.
Kevin another great video.. Thanks
Love that engine stand.
Bloody interesting stuff - You have a great teaching style
Thank you kindly!
I like the way you always loosen the nuts and bolts before you use the impact,
That IS the correct way to do it!!!
great stuff love twincam vids
Thanks Kevin these are great!!M
Thanks for the info Sr. Im grateful to have a japanese bikes
Man , You are awesome, Glad I found you here.Keep them coming, Anything on 95 B motors ? Oh thaks for all the info, You "ROCK"
Man I really enjoy your videos. I always learn something and I’ve been working on engines for 25 years. Thank you for sharing.
Outstanding series Kevin, thank you! Just replaced my original 2018 oil pump with the new 8 lobe version to get rid of occasional up hill oil light and better scavenging for the Stage 2 torque cam and SE HP lifters. At what mileage would you recommend my M8 have the runout checked? I’m at 21,670 mi.’s on my 114 FLHCS.
Cupcake pans for screws/bolts.. Excellent idea.. :)
That was a great video!
I can only imagine what some of my components might look like on my ’15 103” with 65k on it... 🤔. I’m hoping to hit 100k before it needs a major tear down but only time will tell...🤷🏻♂️. It does seem to have plenty of blow-by by the looks of the air filter but that’s been a problem since day one for this bike.
Great stuff!
Can't wait!!!
Another great video! With the manual adjustment primary adjuster how often do you have to inspect it and/or tighten it?
Great video thank you, im pretty new to bikes, so would he have been a little better off with better oil pump or or was their no getting away from it with all those small issues leading to the larger issue?
Great videos I’m really enjoying them and hopefully I’ll not need to do this but I have an 08 RK, did they fix any of these problems? I’ve had to put two main bearings in and I have the original comp that the bolt has come loose a few times and the techs say it’s common.
After watching these videos I've learned so much. Wrenching on my 02 88tc for the first time really and it being my 1st Harley it has helped a lot. In this video, my biggest question is why wouldn't Harley put a drain plug in the bottom of that crankcase so you could drain out any large amount of oil like that? Obviously, the pump should have picked it back up but wouldn't letting it drain for an hour really clear a lot of that up or would it have come back within 50 miles? I guess I need to study the oiling system in the manual.
This is a very informative video thank you. Now I have a 08, and a 10 96 ci harley. This video is making me sum what nervous. They both have approximately 20 thousand miles on them. Short off tearing the mtrs down can you please tell me what to look for before I have a major break down. Do I look for the carbon build up? Any ideas would be greatly appreciated.
Time for a tear down on my 07 FXDC.
I need to save some money and schedule a rebuild with you guys. 2017 RGS / 16,000 miles with a lot of heat and blow by. Dealer says all is well of course.
I really enjoy your channel, cause I enjoy Harleys and your knowledge of them, VERY informative, but it can be a little depressing since I mainly bought my last bike to ride, not to work on or lay in bed at night wondering if it is dying inside. I bought a 2002 FLHTPI and it is very sweet, stock Police, it only had 29k on it and I thought, wow, I won't have to do anything to this for???????, anyway after watching a lot of your videos I find there is really quite a few problems that are gonna come up with all of them, it seems like my year is not as drastic as some though. I will be opening the cam chest soon and have my fingers crossed that there is nothing wrong yet and will update it with a billet plate and chain, & sprockets and hyd. tensioners. One thing that really bothers me is the flywheels just pressed together so at some point I will rebuild it and get them trued and welded. THAKS SO MUCH FOR SHARING ALL YOUR KNOWLEDGE AND WISDOM! :{)
This is why I pull the drain plug on the sump of my 2005 and measure the oil.
Another great production. I had 48k on my 2007 when I sold it. I heard through a friend the guy that bought it started having problems about a year after he bought it. Mine was a 103 so the jugs and pistons were replaced at about 15k. I’m thinking I may need a manual primary chain tensioner for my 19 RGS.
Thank you Bob. It's not a bad idea at all even as a preventive maintenance item.
Good video! I was a bit confused regarding the primary disassembly; were saying one of those shafts wasn't true and that's why there was evidence of rubbing on the inner wall of the primary? And it was also causing the oil leaking into the base of the motor? Thank you.
Just rebuilt mine due to compensator spring & washer failure. Eliminated the compensator spring, weld & heat treated compensator & spacer. Not too many harley parts was reinstalled.
Just liked and subscribed. Seeing this makes me want to pull my crank on my 04 Fatboy, have it trued, and welded, but at 71, maybe it will last as long as I will. Kevin, ain't there a 1/4 " allen plug on bottom to drain sump. More than 4 oz. and there is a problem, right.
Wonder what primary tensioner you're going to pair with that Darkhorse comp. If I recall correctly from the Darkhorse podcast they did r&d with the stock auto primary adjuster. Perhaps they used the updated version.
Love the videos! Do you have a link to a video of how the oil gets from the crank/case area back into the oil pan? Thank you in advance
yes...check out the cam plate videos...i show a case and explain the oil flow. thank you.
Great, now I want a crank and dark horse compensator too. lol
Buddy would you have a video on changing top end gaskets on 103?
The pre-07 compensators were pretty much bulletproof. Harley really shit the bed when the redesigned it for the 07 model year. Been nothing but headaches ever since.
Did 2005 twin cam engines have any major issue to note other than the spring loaded cam tensioners?
🤯 WHOA!
Subscriber here - Did the tight primary chain pull on the crank and cause the excessive runout and all the related issues? Could this primary chain binding scenario actually induce crank runout due to the end result of scissoring or flapping between the crank halves? Your videos have greatly affirmed the necessity for the rules of parallelism and perpendicularity in the design and functioning of these engines. You're in a skill and technical league by yourself!
On rebuild, are you willing to detail the Man-of-war compensator install with adjustments and what you look for when installing ,even with new parts ( Clutch basket assembly and compensator)? There are virtually no videos out there on this unit.
After watching the video from beginning to end, I think you are the best engineer I've ever seen. Thank you. The video is amazing. Subscribe, from South Korean TH-camr Woongkham.💝💝💝👍👍👍
Hey Kevin, what is the ball park figure for a rebuild that your doing on the 07. My son has an 07 and is a little nervous after hearing the crank horror stories.
At 38k miles my M8 oil light would intermittently stay on after starting motor. Shut off and restart, sometimes took 3-4 restarts before light would go off after start. Caused scoring on crank and other issues. Awaiting new motor from HD
Oil starvation pure and simple. Good luck!
Glad I have a feuling pump
He's fast, that's for sure.
So I got to 40k before it all went South. Everything you mention here. My '07 Ultra Classic. Carbon copy of all these problems.
Hello kevin what would cause the crank to have such bad runout at only 20,000 miles? Im guessing from lugging the engine? i Have an 08 ultra classic and shes given me no problems other then the compensator which was changed with a screaming eagle one. Shes sitting at alil over 50,000 now and running great.
When I did my oil pump and chain tension shoes I made a mistake putting the pump back in... I had no power above 3500, and bad vibrations. I drained less than that amount of oil out of the drain plug and then went back in to fix my error. This is an 05 FLHTCUi.
Now I need to pull the other side apart. I have a very leaking seal on the transmission output shaft. Now I can see what I need to do to get down to that seal. But I've had many people say "never use an impact on the clutch and compensator nuts, it can cause the crank to shift". Is this accurate? I have around 0.001 inch runout on the cam side, and will measure the primary side when I get to this job, I certainly don't want to make it go bad. I can make a bar to wedge the sprockets and use a breaker bar on the nuts.
And for what it's worth, I do own the factory service manuals and will study this series of steps before I begin. This poor bike was owned by a hamfisted idiot and every job I do requires 6 more things to get fixed. But every completed job makes it much better. Almost nothing from the bike on my channel, but I'll probably record this repair. Lots of stuff on the v-twin forum from the cam chest stuff to my air ride system and Glide Pro mounts.