Help with clutch adjustment and identification on Coot

[wedge]

Your side sheaves look like thy could use a Polishing for sure. That would help it not pull on an idle .

[msafi65]

The clutch appears to be a 780 series comet. I can see it's completely disengaged now. I find that loosening the belt slightly to lower the drag on the inside of the belt can help. A belt will usually squeal on the inside hub of drive clutch when driven is held or transmission is in gear. This clutch is calibrated by changing the roller weights and springs.

[allwheeldrive]

So I recently replaced the very worn out belt on my Coot, the original was starting to delaminate and was WAY too long (could easily pinch the middle together, in fact it could be removed buy just slipping it out of the pulleys!) Since the previous owner had installed a new engine he simply ignored the much too long belt and all the slip it had when driving, not acceptable. So I precisely measured for a new belt and installed it. The belt now fits perfect with about ½” of deflection and turns easy on the engine clutch when off. However the engagement speed on the drive clutch is MUCH too low, it is impossible to change gears and even letting the engine run down to a couple hundred RPM into a stall is not enough to disengage it.

My first machine the Scrambler had the same problem, it however had a comet clutch which I easily could pull apart and put spring tensioners in the form of sectioned pipe against the main spring to get the engagement RPM right. However on the Coot the clutch is SO close to the tub it can NOT be removed while the engine is still in place. Worse the engine is squeezed against the front brake so if I want to pull the clutch out I will have to pull the engine up and out as well )-:

Before I do all that work if anyone knows what make and model this clutch is and how it is adjusted that would be great. My old Comet when you undid the bolt the end would spring off. This one when I undo the bolt just slides back and forth on the engine shaft as one unit.