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Whew, craig, I think this whole thread is a bit old

Seems a little late for that question doesn't it?

This is a forum that carters primarily to Chinese scooters, so of course we're all going to cheer you on! You might get a different opinion somewhere else though. But regardless, welcome to scooterdoc!

These scooters all have their little quirks, but if you're the type of guy (or gal) that's comfortable with doing your own wrenching, then you'll be completely fine. We can get you through just about anything you might come across. Be sure to read all the sticky threads in the library about doing a proper PDI and whatnot. Very important!

I was always happy with the brakes on my scooter, until yesterday when I had to get on them hard for the first time. It was a situation we've all come across before.. driving down a road, light turns yellow and you're right between the "stop" point and the "try to beat it" mode. Not quite close enough to easily beat it, but, not quite far enough to stop easily. And of course I was going bit over the speed limit.

So decision time came, and knowing my scooter doesn't have much "umph" above 60mph (and therefore no way in the world I was going to beat this light), I decided to stop... or try to. It started braking well (both brakes applied hard), but as I applied more pressure... the braking force did not increase.. in fact it almost felt like it decreased! Front brake lever would go do down more, but no change in braking. I'm rapidly approaching the intersection thinking... I'm not going to stop! I grabbed my rear brake and squeezed (still keeping the front brake down) until I was about blue in the face, and I stop just past the double yellow crosswalk lines (good thing no pedestrians were crossing). Then I just walked it back behind the lines.

Frustrating thing was, I know I wasn't even CLOSE to locking up. In fact I've stopped MUCH quicker before when I applied LESS force to the front brake. It seems like once this "ABS" thing kicks in, it releases a too much of the braking force. It was braking hard though regardless... I could smell the brakes once I had finally stopped.. they were definitely hot. I'd say this was just brake fade, but it felt different than that.

If you're not getting 14.5 volts at idle with lights off, then your RR isn't keeping up. (assuming there's no other large drain somewhere). Yours is actually acting like mine did before I upgraded to the OMP RR.

When I first started reading this I thought, ahh, valves! Then as I read more I thought.. wait, no, they checked it. Then I thought, something in the CVT! Wait no... lol

Looks like the mechanic checked all the primary culprits for a diesel sounding scooter. My next guess would be that something is hitting somewhere. I.e.: In my scooter, due to the way these little motors vibrate, something on the carb is hitting this piece of metal, SOMEWHERE (I've never been able to determine), and it always makes a fast rappity-tap tap sound. If I put my hand on it or brace it so there's less vibrating, the sound instantly goes away.

Any chance you could post up a vid so we could see/hear?

Our scooters (Chinese scooters) do not have a transmission.. they're just gears in a static configuration, nothing else. Our "Transmission" is a CVT, which isn't even oiled either (which is why "motorcycle oil" does not benefit us one bit). 10-30, 10-40, or 75/90 gear oil will all work fine in the rear-end. Heck even pure Lucas Oil would probably be fine. You're just keeping light lube on the gears back there, a very very small amount. The gears in these China scoots really aren't doing that much work.

If you want to play it safe (like I do), just go with 75/90.

Also, take the Chinese recommendations with a grain of salt. Usually you say "go with OEM recommendation" ..... not necessarily the case with these China scoots lol!

If you have the honda clone 244cc engine, check out this link:
scooterdoc.proboards.com/index.cgi?board=techtips&action=display&thread=4285