Triumphrat

speedblastr · 08-26-2007

Last night I noticed a hesitation on acceleration.[slipping] 2 - up with the wife on back. It was almost like driving a car with the OD in the transmission going out. (hesitation upon acceleration in an extreme sense) Nothing wrong throttle-wise as in carbs,etc.Clutch-freeplay:2mm before cable starts to move. Chain is right where it's supposed to be.Oil is good.Sprockets A-O.K. I've never been a stranger to "wood" the throttle ripping around town. I've got 4100 odometer.I wonder. Shimming? TBS "cush" drive? comments helpful.

Normandy · 08-26-2007

Sounds like slipping clutch, the cush drive won't move much over 1/4 to 1/2" under any load as it is firm rubber.

sweatmachine · 08-26-2007

I agree with Norm, sounds like a slipping clutch. Try adjusting it, and if that doesn't work go to some heavier springs. It's not a bad job. If you end up doing it PM me and I'll walk you through it.

ErwinM · 08-26-2007

Quote:

Nothing wrong throttle-wise as in carbs

I had a slight hesitation that was cured by carb balancing. Might be worth a check. As for a clutch slipping at 4100 miles. I dont know if you beat on yor bike or not but that seems a little early.

speedblastr · 08-26-2007

Carbs are balanced,did that 2 mos. ago. pipes sound pretty even. The above example of OD transmission was an extreme example. It's very slight. I don't think the wife noticed it but I do.Kind of like a little drag or lull at the pick-up,IMO ,has nothing to do with fuel delivery. I'll check on the adjustment procedure in service book.

P.S. Erwin ; I wood the HE- double toothpicks out of it!

ErwinM · 08-26-2007

when I synced my carbs it also got rid of almost all of it leaving as you say "a very slight" hesitation. Drilling my carb slides cured it 100%

speedblastr · 08-26-2007

By the way you got the greatest avatar. what was I saying? Oh yeah, why would it (hesitation) present itself until recently I wonder. Never even gave throttle slides a thought, until now.Looking at service book on lower clutch adjuster. It appears that I have to loosen both to get the adjustment right. I was just looking at free-play on the top end and leaving the bottom end alone. Need to look at both it seems. You know, I assume too much.

With clutch lever fully depressed with left hand , reached down with right hand to see if there is play in the lower adjuster(more forward motion capability) Nada.

speedblastr · 08-27-2007

Coming home from work today I noticed, shifting from 1st to 2nd ,give it throttle in 2nd , doesn't pull like it used to. There must be something I'm missing in the adjustment . Lot's of thread on the lower adjuster. If it is to be adjusted , it would be forward on the lower adjuster-or do I have that backwards.Quite a while back when I sync'd the carbs It got really hot. really. You don't suppose that I burn't the oil to the point where it might have lost it's effectiveness .(Wet-clutch speaking) Also I noticed my clutch lever is getting closer to all the way out when it grabs . Gonna return to the book.

FL_Rat_Matt · 08-28-2007

CLutch adjustment is important. If you think the clutch is slipping check for free play in the cable. Basically the clutch lever should move a little without putting any pull on the cable. If the clutch lever has no free play, then loosen up at the lever or the adjustment on the engine case. Most likely you can loosen up at the lever. You just want a little free movement at the lever.

ALso the clutch slipping will be more present in the higher gears. When the clutch slips the engine will revv faster than the bike, a slipping clutch won't really give a hesitation. The most noticable feature of a slipping clutch is the racing motor.

sweatmachine · 08-28-2007

have you made any changes recently, like to pipes or airbox, or idle mixture?

I've noticed when my idle mixture is too lean (or if too small of pilot jets are installed) that there is hesitation at throttle tip-in.

if so, richen up your idle mix 1/2 turn.