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Sportster Motorcycle Transmission, Clutch, Primary & Secondary Drive Transmission, Clutch and primary or secondary drive problems, advice, and/or how tos.

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  #31  
Old 17th April 2019
Toejam503's Avatar
Toejam503 Toejam503 is offline
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When I've adjusted mine, I turn it in till it touches, turn it in another 1/2 turn, back it off until it's loose and turn it in till it touches, then back off 1/4 turn. Someone once told me that tightening it another 1/2 turn helps center it or something? Not sure, but I don't remember having any problems, on any of the clutches I've adjusted, other than using the wrong lube.
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  #32  
Old 18th April 2019
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Quote:
Originally Posted by THEWILDONE View Post
And the subjective part. How much tension should one feel when turning the adjuster screw in???

I have been very lightly gripping a screwdriver between thumb and pointer and as soon as I feel it touch, I then turn it back the other way 1/4 turn.... Perhaps I should be turning the adjuster screw in a little farther than I have? I have noticed that it can be turned farther in past the point of where you can feel it initially touch, and the drag is still very minimal.
Exactly, and Toejam has an excellent point too. The book is a guide written by someone who may explain things differently than you are used to, and reality is all in the translation from those words to your fingers. I always recommend that you play with the parts, examine the crap out of them, over think it, under think it, and once you can see the parts moving in your head, then you know exactly what to do. When things go wrong, you can see the problem in your mind before you open the case.

By turning it in further like Toejam is saying, you are possibly allowing the balls to find the bottom of the ramp grooves, and not doing that certainly could account for a bad adjustment. I always run the adjustment in and out, it's in my nature (I overthink everything, ask George).
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  #33  
Old 25th April 2019
THEWILDONE THEWILDONE is offline
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I appreciate everyone who has given their input in this thread. Clutch is still working great, got the bike out today for a bit and everything is still cool.
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  #34  
Old 25th April 2019
Four Speed Four Speed is offline
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Good to hear that. It should bed in nicely now. Give it maybe 500-1000 miles and check the adjustment again if needed. You should find the extra plate grips slightly faster but is still nice and smooth. I prefer the feel.
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  #35  
Old 26th April 2019
THEWILDONE THEWILDONE is offline
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Yeah man! I think I've put about 5,000 miles on the extra plate and stiffer spring setup since I installed them. It definitely does grip harder/faster like you say, but I like it, fits my riding style.

I put my sister on my sporty not long ago and she proceeded to disengage the clutch, shift into 1st, then dump the bike on herself, pretty hilarious! That stiff diaphragm spring plus the ape hangers threw her in the weeds haha
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  #36  
Old 8th May 2019
THEWILDONE THEWILDONE is offline
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Still working great guys! It's amazing what you can accomplish with some decent working knowledge of the how and why.

Much thanks again to everyone who chimed in to help point me in the right direction on this one.
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  #37  
Old 2 Weeks Ago
THEWILDONE THEWILDONE is offline
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Got some interesting information to report on the amazon 7200B bearing......

My clutch started acting up again, wouldn't disengage fully, creeping forward with the lever pulled in, hard shifting and nearly impossible to find neutral.......

The 7200B bearings that I purchased on amazon are total junk..... After going through the motions to adjust the clutch with no success, I pulled out the throwout bearing and it's retainer plate......

One of the things I noticed is that it was difficult if not impossible to get a solid feel of where the adjuster was while turning the screw.... The 7200B bearing just felt gritty as hell while turning the screw back and forth to find the point at which it just starts to contact the pressure plate/diaphragm spring.... Also had some noticeable wobble in the bearing itself.... I pulled out the 7200B bearing and tossed in the OTHER 7200B bearing that came in the 2 pack from amazon.... Same thing, gritty feeling while turning the adjuster in and the contact point which determines the adjustment seemed to keep moving around on me......

So, I stuck in a stock bearing that we pulled out of my buddy's 2013 Sporty-Eight. This bearing was of course used but felt decently tight.... This one just felt right, no more gritty vagueness like BOTH of the 7200B bearings had.....

Before anyone asks, yes I installed BOTH of the "upgraded" 7200B angular bearings the correct way with the "fat" race on one side going DOWN into the retainer plate thingy....

I think the point of all this is that the 7200B bearings that amazon sells are very poor quality, at least the ones I ended up with are........ I'm either going to just run the stock HD bearing in there from now on, or, hunt down a high quality 7200B version... I think the amazon 2 pack of 7200B bearings was about 12 bucks so that says something maybe.......

I understand the angular contact bearing should be an improvement, but it's so easy to get to I will probably just stick with the stock HD style bearing and throw a new one in there however often I need to.

Something else I noticed, in my case at least, the adjustment seems to be more spot on if I DON'T back the adjuster screw off 1/4 turn after contacting the pressure plate/diaphragm spring.... I know from reading in the Sportsterpedia that if the screw is in too far you might get clutch slip, but that doesn't seem to be an issue here with NOT backing off a 1/4 turn..... I wonder if having the Barnett stiff diaphragm spring has something to do with this????

Those cheapass 7200B bearings have caused me a fair share of grief over the clutch adjustment. Talk about frustrating, performing the adjustment correctly and as simple as the procedure is and STILL not having the clutch disengage.......
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  #38  
Old 2 Weeks Ago
Four Speed Four Speed is offline
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Sadly fake bearings are a real problem nowadays. You need to purchase bearings from an authorised distributor to
get the real deal but don't expect to them to be cheap. For what it's worth my SKF 7200BEP bearing is doing great.
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  #39  
Old 2 Weeks Ago
THEWILDONE THEWILDONE is offline
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Definitely. If I ever find myself dealing with this bearing again, and inclined to try another angular 7200B, I will throw down the coin for the real deal.
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  #40  
Old 1 Week Ago
Four Speed Four Speed is offline
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It applies elsewhere on the Sportster. A while back I read a report on the runout on new taper roller bearings coming to market nowadays. Some generic bearings had shocking tolerances right out of the box and should never be fitted to a motorcycle headstock IMHO.
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