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So far it looks like it fixed the problem (Fuel pump). Then put my scooter up on the center stand and took it up to the rev limiter a couple times to find out where it topped out. The RPM went up to about 8400 without breaking up at all. Any higher and the RPM was unstable. But it would go up to about 8700 as indicated on the not so precise scooter tach. What that means is I might get my 5 mph on top if my variator isn't maxing out already. And 16.7 HP will haul my 260 lbs any faster than it already will go. While I've got the belly and side exposed I am gonna do a much needed valve adjustment. " Again " About the 4 th one I've done. "THEN" next on the agenda will be that Marking the inside of the variator test we talked about

Hey, At least you had something to say ! Everyone else seems to be a bunch of Lurkers. Yea, I know which one does what. Hell, I even know how to take a light slider / roller and make it heavier now since I have studied scooter CVTs so much lately. But it will cut down on my research / mechanic work if someone can tell me about their experiences with rollers / CVT work / adjustments with my particular drivetrain with their body weight stated.

I am asking if anyone ever put 15 gram sliders in their Linhia 257 cc scooter ? And if so could you tell me the effects they had on your scooter good or bad. Or , If you have experimented with any weight sliders and feel like posting your scooter's loss or gains it would be greatly appreciated and enlightening to some of us.

I'm tellin ya, I've had more on and off weird battery trouble this summer. Making me spend money hand over fist. Would not surprise me for a minute if it is still your battery. The battery in my car would work fine and then the starter wouldn't budge a half day later, Same thing I would charge the scooter battery. Would start fine for a couple starts. Then a day or so later it wouldn't budge the starter. Turns out my son was right. These days, Always start with a new or known good battery first, And of course after checking and cleaning + and - connections. Then start shooting off in another direction. Oh, let me add, The local Advanced Autoparts tested my battery at first and told me it was good. So don't always trust that either.

Hi, I was told on another scooter forum that this is the place all the JCL MP 250A / Roketa 54-250B scooters owners hang out. I have 07 JCL MP 250A Linhia 257cc powered scoot. I have a usual top speed of 64-68 MPH now. I weigh 260 lbs. , I am 6'3 and have my head above the windshield. My scoot tach says I'm doing about 6900 RPM at just about 69-70 MPH top speed. I know I said my top speed was 68 but she was just running good today for some reason. I would like to have about 5 mph more top end. I have ordered a 32mm 150 main jet carburetor. I think the stock carb should be 30mm 110 main jet. And I'm gonna change from rollers to Dr. Pulley sliders. I've been told I should have 14 gram rollers stock. What weight sliders should I convert to to get my 5 mph top end I'm looking for ? Anybody have any experience doing anything with these 250s ? Thank you for your efforts in advance

Read more: thescooterprofessor.proboards.com/thread/4566/mph-more-top-257cc-lihia#ixzz4H35O0p1F

Still motoring along doing 86 mile days going to Gainsville for school. This thing gets more than 70+ miles per gallon real world consistantly !! Girlfriend says it gets 75-80 mpg . But I think shes being a bit optimistic.