![]() Then as one progresses up the manual clutch is used to shift gears because the rpm never drops low enough to disengage the bell clutch (same reason for the automatic clutch linkage on the ATVs). They use the bell clutch to be able to sit at a stop in gear and starting from a stop without using the clutch lever to start out. They used the centrifugal bell clutch without the lever link automatic clutch for shifting. The new "sport clutch" on the Honda TRX250 of a few years back is a serious street item - if Honda had any brains. No clutch lever, just lift to shift up and down to shift down. On the street the whole thing would work great. Apparently the leverage factors and lock up mechanism allows it to lock up tight very easily 99-44/100% of the time - but not when in far too high a gear. The centrifugal clutch on the crank has shown to be almost indestructable in off road use when used properly (not trying to slip it out of a mud bog in 4th). The problem with the set up is that the shift pull is stiff due to activating the clutch. The whole system has been almost bullet-proof and pretty much idiot proof as shown by it's use in the small singles and almost every ATV up to about 2003 or so with the advent of their hydrostat trans, which I absolutely love in the paddle shift mode. Then it uses a mechanical linkage from the shifter to activate a standard clutch pack when shifting. They use a bell clutch like a mini bike used back in the 60s to start from a dead stop. ![]() The Honda ATV/ATC style automatic clutch was/is the definite trick. ![]()
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