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  1. M

    420cc with 1" 40D series drive and 3/4" driven clutch.....questions about difference in quality/manufacturer

    yeah i thought the same thing,,, i paid a guy on ebay 168 bucks for a 1/4" multi engine pattern drilled backing plate that had a 3/4" jack installed through the bearings with two 3/4" locking collars to use as you please.... i had to wait a long time but its a solid squared up alignment now that...
  2. M

    420cc with 1" 40D series drive and 3/4" driven clutch.....questions about difference in quality/manufacturer

    i found a 1/4" steel backing plate thats set up with a 3/4" jack shaft on ebay that seems fairly flat and square considering the welding around the bearing tube.
  3. M

    420cc with 1" 40D series drive and 3/4" driven clutch.....questions about difference in quality/manufacturer

    question about rpm gauges ..... ive finally received the 40 series backing plate and clutch/pulley combo to bolt onto the engine and now im waiting on the sprockets and chain from different places. SO THE QUESTION IS.. what is the most consistant /usable digital rpm gauge when running...
  4. M

    420cc with 1" 40D series drive and 3/4" driven clutch.....questions about difference in quality/manufacturer

    do you guys know anything about installing a voltage regulator into a 12v dc system on a go kart with a 12v battery etc. for front light etc. ive looked at a few of them and the 4 wire harness/pigtail wiring seems to be pretty common but still want MORE input from people who can advise how...
  5. M

    420cc with 1" 40D series drive and 3/4" driven clutch.....questions about difference in quality/manufacturer

    WOW, fast response man, i just came back in here from ebay looking at tooth count ratios and other stuff, so what size #420 chain/sprocket do you think i should start with for the small sprocket on the driven 3/4" ?
  6. M

    420cc with 1" 40D series drive and 3/4" driven clutch.....questions about difference in quality/manufacturer

    yeah when i start making some progress ill put up some pictures. i ordered a backing plate for the 40 series setup so now im wondering about any opinions on chain size for a 420cc. ive seen the most common sizes for karts/mini bikes are #35,40,41 and 420. im not planning on building a pure...
  7. M

    420cc with 1" 40D series drive and 3/4" driven clutch.....questions about difference in quality/manufacturer

    thanks to Denny and Poncho for the info. the performance of the cheap belts has been a common theme everywhere i have looked for info. including youtube. thanks again, i feel safer purchasing now. mike.
  8. M

    420cc with 1" 40D series drive and 3/4" driven clutch.....questions about difference in quality/manufacturer

    i got a new 420cc bout a week ago,,,the plan is to fab a kart chassis using 1" tubing dies w/jd2 bender my question is about the drive and the driven clutch choices in quality vs. the price IN OTHER WORDS.. #1 what is the best 40 series "Driver" clutch for the money and #2 also the best...
  9. M

    hey new guy here, im in the center of flyover country (wheat and corn fields) and just bought a new 420 for a kart build.

    my questions are about 40 series torq converters so i assume i should ask them in the engine/clutch area of the forum so thats where i'll go next.
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