Jonway Wasp up gears? By usmcdoc (Read 1,157 times)

[usmcdoc]

Looking for Jonway Wasp secondary up gears. It is an odd CPI/Vento type 2 stroke....long case with gears on exhaust side. Trying to find 15/42 secondary gears as mine are 13/52 and revs too high above 40 mph. Anybody got a link? BKK and tuned pipe really turn on the power...but it is wasted by high revs..
Thanks, Glenn

[alleyoop]

If your concerned with the HIGH REVS why are you looking for Taller Gears? If you want to lower your RPMS put in Heavier Weights and you can lower your rpms to where you want them.
Rollers= For every gram up or down you can change your rpms by 500-600.
Sliders= For every gram up or down you can change your rpms by 200-350.

Right now your getting your top end speed DUE to your high rpms but you MAYBE ABLE to get the same top end by putting in Heavier weights and at the same time lowering your rpms.

If your at the max and want more top end speed then yes you probably need taller gears.
Alleyoop

.sip-scootershop.com/main/base/Results.aspx?t=cpi+gears&d=(sco" rel="nofollow" target="_blank">.sip-scootershop.com/main/base/Results.aspx?t=cpi+gears&d=(sco,ape,lam,old,px,sma,max,atv,mot)&a=1&sort=0

idcusa.net/index.php?main_page=product_info&products_id=634488

[usmcdoc]

alleyoop...Thanks...and yes..looking for more top speed. I scoffed when folks said sliders make a diff....then I tried them. Transition seems smoother from low to top speed...no longer feel that 'shift' feeling when accelerating.. Found a few sites overseas that sell taller gear sets...but they say "We do not ship to the U.S." Know any place to get them?

[alleyoop]

Give me the link to the sights you found so I can match up the gears and will help and look and maybe one of the sellers overseas can get them and ship them.
Alleyoop

[usmcdoc]

Will try...they are 15/42 gears to replace my 13/44 secondary gears. Took me 6+ hours searching to find the sites.....hope I can find them again even though they don't ship to the U.S. They also said their Malossi gears were press fit..but the Polini sets may need machining to press in and on the shafts. Not sure why Polini would do that...not all of us have a machine shop at home..*scratches head*... If not 15/42 gears...looking for something for about 15%-18% increase.
Thanks, Glenn

[alleyoop]

Usmcdoc,
Just about all of them have to be pressed on SO that is not a biggy. Some folks WHACK them off and WHACK them on it is not a biggy if you know what your doing. But if you don't know what your doing it is best to take them to a garage and have the gear pressed on the new Counter Shaft and if needed the Final Gear pressed on the Final Drive Shaft.

There are only a few OLDER scoots that do not have to be pressed on they have splines on the Counter Shaft and the Reduction Gear has splins as well. So on those it takes 1 minute to put the Reduction Gear on the New Counter Shaft with more teeth. On some of the OLDER scoots even the Final Drive Gear has to be pressed on the Final Drive Shaft.

But the Newer ones have Splines on the Final Drive Shaft and the Final Drive Gear just slips on. But the Reduction Gear does have to be pressed on the Counter Shaft. I guess what was happening was the splines would wear down and always ruin the shaft splines and or the gear splines. They do take a lot of torque and beating.

So if you can find the link where you found the gears you want maybe others can help find them someplace else.
Alleyoop

[usmcdoc]

No problem pressing them on/off....step father has a 2 1/2 Arbor press. Have done it for GY6 engines...just my gears are hard to find..which is odd as many have that engine..