Whats up riders, was just wondering if any of you out there have experienced your bike feeling sloppy or kind of choppy at slow speeds. My chain is adjusted to about a half an inch play when not sitting on it so I dont think its that or at least I dont think it is the root of the problem. My rear sprocket I have noticed has some play in it but my guy at circle cycle ,whom I trust, tells me it is within specs. I would really like the bike to be smoother at say 25 miles per hour and 3000 to 3500 rpm's. Any input would be much appreciated. Have a good one out there.

 

dbl check tire pressure, what model is it? what mods does it have?

 

Thats what I was thinking when I read it, was low air pressure in the tires. Now I think the chain and spockets are mixed and not matched...

 

Carb or FI ? Sometimes it's just not possible to tune the carbs for just off idle and high speed so you get a little choppiness after the idle circuit gives way to the main jets. Not thinking it's a chain/sprocket issue unless you're hearing some strange noises that get louder the faster you go.

 

in addition to what eveyone else has said. Keep you rpms up. If your lugging around at slow speeds in too high of a gear, it will be much worse than if your rpms where higher. I'd keep them above 4,000 if you can.

Also, if your reffering to the on off throttle choppyness. It may just be the way these bikes are. If you've ridden cruisers, I'm sure you've noticed you can let off the gas and get back on without the clunkiness. But these bikes are designed to shift at very high rpms and speeds, so there is more tollerance within the drive system to allow the gear changes at higher speeds and rpms, so at low speeds, you get the clunky feeling.

Also, you may want to check your rear cush drive. Its the rubber isolator behind the rear sprocket. It holds the rear sprocket in place, but absorbs harsh drive changes. If its worn out, the rear sprocket will have play in it and slop around and transfer the impacts to you.

Also, check your bikes specs. 1/2 an inch of freeplay for your chain seems very low. But, this would make the condition better, but if its too tight, you can wear out your output shaft bearing.

 

Thanks for your responses. This 1997 F3 600 has a full Yoshi exhaust and I'm told that that could be why I am losing drivability at low rpms which affects just cruising through town at like 25 mph. In regards to the cush drive in the wheel, should I be able to wiggle that at all because I can wiggle my sprocket like a quarter of an inch?

 

I don't know what spec is on cush drive play. .250" doesn't sound bad unless you're getting .250" both ways which would add up to .500" and that's excessive.

And I would almost go the opposite when running slow through town. Bump it up a gear and lower the RPMS. Riding around at 30mph in 2nd and you blip the throttle then you're likely to jump around like a frog. In 3rd or 4th it might bog a little if you try and give her gas, but in that case just snick a gear back down and git-r-done ...