New Rider
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Post by billythegrape on May 3, 2013 10:51:37 GMT -5
Hello, I just bought a JMStar after researching around, including here. Runs pretty well, had a WAY high idle when I bought it, causing the clutch to engage. Turned the idle down, runs rough, guess I'll do what is recommended under PDI around here and adjust valves, do tune up, etc.
Anybody like/hate/ have tips for these scooters? I'll post some pics a little later.
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New Rider
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Post by billythegrape on May 3, 2013 19:02:55 GMT -5
DX wow this forum is really active
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Post by alleyoop on May 3, 2013 19:10:22 GMT -5
To smooth out the idle adjust your fuel ratio mixture to get the smoothest idle possible. They should idle after warm up around 1500-1800 rpms. Alleyoop
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Post by domindart on May 3, 2013 19:19:53 GMT -5
Good luck w the new scoot
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New Rider
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Post by billythegrape on May 15, 2013 13:39:37 GMT -5
Adjusted valves, replaced plug with NGK Iridium, changed out brake fluid with synthetic DOT4, changed engine oil out with Royal Purple, changed out trans oil with synthetic, inflated tires properly. Added zip tie stitches to repair where previous owner dumped bike. Bike rattles - gonna felt tape the heck outa everything. Question: With? Without?
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Post by jersey on May 15, 2013 18:07:59 GMT -5
With windshield is my vote. Nice looking scoot.
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Post by jeepsteve92xj on May 15, 2013 19:02:09 GMT -5
with
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Post by urbanmadness on May 15, 2013 19:43:31 GMT -5
with windshields, it's not always about looks. It's about where the wind hits your body. I have a windshield for my retro style scooter, took it off after the first ride with it, because, the wind hit my helmet and made it rumble.... making riding uncomfortable.
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Post by geh3333 on May 16, 2013 1:52:18 GMT -5
I also use royal purple. How much does it run in your area. Its 15.99 a quart at advance auto but a little over $7 at napa where i live
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New Rider
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Post by billythegrape on May 16, 2013 7:27:43 GMT -5
Dude these bikes are so goofy. I took some panels off to put the shield back on- it looked like a retarded road bike without- and found some of the panels were rubbing on a really badly welded support column for the nose. I trimmed a tiny piece, no rattle from there. I inserted dum-dum between panels I removed, tiny pieces of course, as I could not locate my stupid felt tape. I plan to grind and reweld that support this weekend. I hot glued the windshield to seal it to the body panel, as the previous owner had apparently velcroed it due to tabs breaking. No more windshield rattle. Also found the gas tank to be loose during valve adjustment- resecured. No more squeaky rattle.
Man, the bike fits together like legos- kinda awesome. I took the handlebar panels off and hotglued the screw supports, as they had also twisted off somehow. I then proceeded to paint them silver with radiator paint. Now that doesn't rattle. The bike is rumbly at stoplights occasionally, I am assuming this is normal as idle is set approximately where it ought to be. Anyone who knows better (which could literally be everyone, as I am a moron), please educate me.
In response to the question of RP price, the quart bottle cost me $9.99. I have a commercial account (read: phony) at O'Reilly's, and get a hefty discount on parts, but those douches never discount fluids. I am still happy that a full synthetic tune cost me less than $60 and the little bike hauls my fat 250 lbs around at decent speeds.
I plan to ziptie stitch, hotglue, weld, loctite, and dum-dum my way through this entire bike until all I can hear is the purr of the engine. I would also like to buy a nice exhaust (not egay garbage) and perhaps a larger jetted carburetor if rejetting is not cost effective. I need to do more research, but for now this bike seems fantastic. The only other bike I owned was a 1978 Batavus 50cc moped, and obviously this bike is a step up in fanciness and rideability.
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New Rider
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Post by billythegrape on May 16, 2013 11:38:46 GMT -5
I need to make the seat on this this thing more comfy. Hurts my . Also- are there heavier duty shocks/coils for these bikes out there?
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