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V65 clutch drag...required?

S

smackeyacky

Tuned and Synch'ed
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Been slowly making my way around a 1992 V65 GT sorting out a few problems and decided the clutch needed some adjustment, but I feel like I'm doing it wrong.

I went on a few rides where I had finished in town, but the clutch was dragging too much at the end of the ride when everything was hot and it made changing gears very difficult. The drag seems to go from "slight" to "bad" as the bike got hot.

Anyway, I adjusted the clutch at the lever so I could feel it was fully releasing. Immediately noticed that first gear was now almost impossible to select, taking several firm stomps and moving the bike around to get it to engage. Also, when riding like that I started to get quite a few false neutrals.

I then adjusted the clutch back towards where it was originally, although with far less drag when hot and just a teensy bit at rest and the gearbox is back to normal again. Is my gearbox due for some attention? Bike runs strong, makes a lot of gear whine (expected from the straight cut gears?) and with that teensy amount of drag the shifts are fast and positive. Does it need drag to work properly? Or is it a symptom of a dying box?
 
The trans is more robust than the clutch. It doesn't need drag to work. Clutch should have no drag. The trans shifting works better if trans is spinning.
 
V700Steve said:
The trans is more robust than the clutch. It doesn't need drag to work. Clutch should have no drag. The trans shifting works better if trans is spinning.
Click to expand...
Ok might just be something I am doing wrong. When I say drag I mean just the teensiest bit. I don’t know whether the gear lever can be adjusted I haven’t gotten that far yet
 
You have a single plate clutch and that plate rides on the input shaft of the gearbox. The pressure plate may not be moving enough to release the clutch plate. Check the angle of the clutch arm at the back of the gearbox. With the clutch squeezed in the part that presses on the clutch push rod should should be at about 90 degrees to the push rod or just slightly less.
 
I did end up mostly solving this issue with careful adjustment of the clutch cable and changing out the gearbox oil.

The oil in mine was clean but very thick, so I replaced it with the recommended viscosity. That improved the shifting quite a bit at the expense of a little extra noise. So I squirted in 100ml of Penrite “Shift Eze” which has dulled the top gear whine down a tad and made shifting just that bit nicer.

I’ve not had issues with finding first gear since the adjustment/oil change.
 
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