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» Welcome to Pocket Bike Racing

Piston port power key??

Posted in Pocket Bikes Performance Tips

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  #11 (permalink)  
Old 12-01-2006, 05:23 PM
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r1_rider is an unknown quantity at this point
umm forgotten coz your bike is different to mine the engine is the other way round
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Old 12-01-2006, 07:41 PM
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RD RACING is an unknown quantity at this point
the easiest way to remember which way i should fit the timing key is to check the direction of your flywheel when you give a slow pull on the starter, take note of the direction it will be either clockwise or anti clockwise, eg; spins to the right or spins to the left. mark an arrow with a felt pen to the direction the flywheel turns when pull starter turns over engine, now when you fit your new timing key it must be fitted so the flywheel will change time like a clock going in the direction that your engine turns by pull starter, eg; clockwise direction say 12 o,clock when you fit your key the time will change to approx 12.05 o,clock, if your engine rotates in the anti clockwise direction the time will change to approx 11.55 [ 5 minutes before 12 o,clock. this all boils down to the direction the engine turns [flywheel rotation] to the left or to the right.
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Old 12-01-2006, 09:40 PM
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no problems fitting the key except that after i put it back together i realised that i forgot to put the flywheel bolt back on!! :oops:
after that no worries.
i have rebuild the carbie and locktighted all the bolts,power key and 2 piece stainless pipe
now it seems that the clutch is not grabbing since i put it back together! :x
(when it was in bits i gave the clutch the lightest little sanding)
what can i do :?:
this thing is never ending :!:
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Old 13-01-2006, 01:04 AM
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r1_rider is an unknown quantity at this point
it sounds most likely that the clutch is not grabbing but it could be something else too. firstly check that your clutch is in the right way :wink: then check that nothing is caught and stopping the shoes from opening. next check that the carb is tuned right (if way out of tune sometimes the bike doesnt move when you twist the throttle). if none of those solved the problem get a new clutch
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Old 13-01-2006, 08:42 AM
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The engine sounds crisp and more powerful now but it only goes at high revs,and only just!!
anyone seen clutches for piston ports around :?: :evil:
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Old 13-01-2006, 11:50 AM
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r1_rider is an unknown quantity at this point
the clutches on these bikes are the same as the ones on common petrol scooters. hope that helps :wink:
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Old 13-01-2006, 11:55 AM
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Cool!!
thanks man :!:
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Old 13-01-2006, 05:53 PM
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RD RACING is an unknown quantity at this point
knibbsta, it sounds like your clutch assembly is slipping on the crankshaft, remove the clutch cover then remove the center bolt, give a slight tap in with a hammer [carefully] then re fit the bolt and tighten up as tight as possible, without breaking the bolt.
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Old 14-01-2006, 11:10 AM
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my clutch is on the flywheel
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