2001 elite sa50 should be going faster

Pierce ramsay · Post by **Pierce ramsay** » Mon May 30, 2011 10:16 pm

I have a 2001 elite 50mm rumia bore, upgraded oko carb and vari with 10gram rollers
Ct intake and 9.1 gears running 46.7mpg I gps'ed today ist that slow fir my set up running
48-piolte and 120-main jets in carb what's wrong

I should be closer to 55mph right

Wheelman-111 · Post by **Wheelman-111** » Mon May 30, 2011 10:23 pm

Greetings:

The right carburetor jets depend on the carb size. Other than "OKO", your post doesn't say which sizeyou have. Also I'm in the dark as to the exhaust. That too will determine optimal jetting.

Presuming the engine power is decent, your issue might be with the 60-gram variator load. Stock was 8.5 on the 2001 SR, and even that keeps the stock engine strangled below its best power.

Consider lightening up those rollers. The well-tuned 50mm bore is capable of 55 with those gears.

Munstah666 · Post by **Munstah666** » Tue May 31, 2011 3:41 am

I agree with Mr Wheelman, them rollers are too heavy! Carb size?

Pierce ramsay · Post by **Pierce ramsay** » Tue May 31, 2011 4:49 pm

Ok thanks For all the info I will lower the wieghts and I have a v8 28mm pipe I think it's a 28..... Also my carb is a 24mm oko! Out to lower wieghts and test drive!!

Wheelman-111 · Post by **Wheelman-111** » Tue May 31, 2011 4:54 pm

Greetings:

Jetting may be pretty good for a 24. Double-check with temperature readings and/or plug reads. Cardboard color = Good.

Pierce ramsay · Post by **Pierce ramsay** » Tue May 31, 2011 5:24 pm

Ok vari with wieghts and the round cylinder that goes inside vari to turn belt is 290grams
The wieghts alone are 9grams each times 6 equals 55grams..... Putting back on and soon
To be headed out

Wheelman-111 · Post by **Wheelman-111** » Tue May 31, 2011 5:53 pm

Greetings:

Forgot to axt you what center spring you're running. That of course will help determine optimal roller weight.

Pierce ramsay · Post by **Pierce ramsay** » Tue May 31, 2011 6:09 pm

2K center spring... Buts stock clutch and bell..... Back in from ride max speed is 46.2 so roughly the same

dun rite · Post by **dun rite** » Tue May 31, 2011 6:38 pm

Kinda hate to ask and then feel stupid but. are you sure the gears are 9:1?

Bear45-70 · Post by **Bear45-70** » Tue May 31, 2011 6:52 pm

The belt could be shot.

Pierce ramsay · Post by **Pierce ramsay** » Tue May 31, 2011 7:12 pm

YES!! they are 9:1 I'm positive but the bore trys to speed up and kind surges but then goes back to 45ish..... I have recently upgraded belt to 17mm belt about 100miles ago

Wheelman-111 · Post by **Wheelman-111** » Tue May 31, 2011 7:24 pm

Greetings:

17mm belt? What length? Malossi made a Derbi/Suzuki 16 that worked pretty well with a thin shim, but changing belt dimensions requires other changes.

Stock length is 641 and width is 15.5. A ZX pulley needs 654 or 669 x 18. If your 17 is too wide for the pulleys or the wrong length, it's not an "upgrade".
Try a stock belt and see?

Pierce ramsay · Post by **Pierce ramsay** » Tue May 31, 2011 7:27 pm

Measured side by side with stock belt there the same lenth and one is only slightly wider

Bear45-70 · Post by **Bear45-70** » Tue May 31, 2011 7:35 pm

Pierce ramsay wrote:Measured side by side with stock belt there the same lenth and one is only slightly wider

A wider belt has to be longer because it will ride higher on the variator.

Pierce ramsay · Post by **Pierce ramsay** » Tue May 31, 2011 7:38 pm

So is it bad if the thicker one is the same lenth?

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2001 elite sa50 should be going faster

2001 elite sa50 should be going faster

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Re: 2001 elite sa50 should be going faster

Re: 2001 elite sa50 should be going faster

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Re: 2001 elite sa50 should be going faster

Re: 2001 elite sa50 should be going faster

Re: 2001 elite sa50 should be going faster

Re: 2001 elite sa50 should be going faster