New clutch, still slipping - just a bit

I

Irishluck002

New Member
1974 Honda CL200 - I put in new friction plates, steel A&B plates, and clutch springs. Torque wrenched the bolts holding the springs in at 7ft/lbs. All steel plates are oriented in the same direction. Readjusted the clutch from the bottom adjuster after finishing (Start to finish per shop manual). Bike doesn't roll or creep when releasing the clutch and seems to be adjusted accurately. My issue is that in 4th (a bit) and definitely in 5th, the clutch will slip if I go more than half to full throttle. Its not 100% consistent (5th gear seems to slip more easily). Valvoline 10w40 motorcycle oil for wet clutches as well. Bike has 2,500 miles. Anyone have any ideas what else I could check to stop the slipping? Its much much better than it was before, but the slipping is still a bit annoying. The bike will maintain in 5th gear and climb a bit if I keep the throttle under half a turn. Is it just fine tuning with the adjustment, or something else?
 
Hmm - interesting thought. So what you're saying is that the clutch basket has been worn to the point that it needs an extra steel plate to fill the space in order for everything to bind appropriately? Could you elaborate a little more on 'the middle'? Stock set up is 4 steel plates sandwiched by 5 friction plates. Adding a 5th steel plate (A plate) would mean doubling up the B plates somewhere in the stack, or ending/starting with a steel plate opposed to a friction plate. Either way, thanks for the idea.


edit Just read through some google searches on the idea and that does indeed look to be the exact thing to do. Luckily I kept all the steel plates that I just removed from the bike - think its okay to re-use the one that looks to be in the best shape, or should I go new?
 
Nope, generally not wear.
The rear hub and pressure plate would be easily noticeable if worn
Put 2 steel plates together, increases spring pressure, (it's a better way to do it than fitting washers under springs)
The hottest part of clutch is center, extra steel is a bigger heat sink
You only need to check plate for distortion, if it's flat, use it
Didn't know there was anything on google, I'm going to look it up and see what others have done ;D
 
Just wanted to follow up - I put an extra steel plate in tonight and it seems to have done the trick. Thanks for the advice again, I was definitely a little bummed when replacing all the stock components didn't fix my slipping problem. Cable adjustment is a little trickier now and I've got some fine tuning to do (cable boot for the lower adjuster doesn't even reach the crank case any more when adjusted), but if that's the price to pay for a functioning clutch, so be it.
 
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