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About Miles_Togo

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  • Birthday 05/15/1965

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  1. I'm looking at replacing my broken piston in my 1994 400L, the book says that the piston is 3.270 inches and i've had the head measured and it's reading 3.275 inches, the adds i've seen for pistons say .020 or .080 ect, could someone please give me a better idea of exactly what it is i need. Cheers Andy
  2. Ran like a dream today, no bogging out, able to climb hills, just have to strip and clean carb one more time but looks like the problem may of been the oil pump, i'll let you know as soon as i do. It died today after running good for about 20 miles, would not start and then when it did start it sounded like it was starving for fuel, plug was pretty clean and would only start on the choke, took the carb off and cleaned out again, started it up and on full throttle it would only run for a few seconds and it took full throttle to idle, any other ideas? Many thanks.
  3. 1994 2stroke 400 is 1.5 turns out on the air mixture screw, main jet size is 200 and pilot jet size is 30, also with the overide switch it will engage 4 wheel drive in reverse.
  4. Today i unhooked the oil pump and put premix in the tank, also checked the counterbalancer oil level and it's not low, also the new plug was wet with oil, running it with premix gas improved the operation slightly.
  5. That would explain it but the bike is a 2 stroke, it has a counterballancer and i read there is a sump in the crankcase, is that what your talking about?
  6. Howdy, I have a problem with my 1994 Polaris 400l, it has been running bad for a while, the last time we took it out we had to change the plugs twice as they blackend/oiled up and the bike started running rough, i've stripped down the carb and cleaned it all out, i've checked the oil pump mix ratio, the reeds are seated correctly, the air cleaner is clean. the idle screw is wound all the way in and i still had to adjust the throttle cable at the control to get the bike to idle. low end is lumpy and the bike will not pull uphill, on a flat the bike will run smother once the bike gets moving but there's not the speed there used to be. I also checked the bottom of the piston and there appears to be no damage there, the engine sounds ok when it idles, oh and i also checked the exhaust and that appears to be ok. One more thing, the bike was put on it's side around 3 months ago and when it was restarted i had to turn up the idle screw so it would idle. Any advise would be great. Thanks.

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