rebuild engine

  1. Heidle

    Coleman CT200U rough idle/weird low RPMs

    Hey guys, I recently rebuilt my Hisun 196cc motor and when I run the engine it idles roughly. Here's some specs 18 LB valve springs PVL Aluminum flywheel with 31 degrees BTDC Billet con rod governor removal BSP-2 cam Everything else stock The engine seems to run fine at higher RPM but at idle...
  2. Emilywion91

    Garelli rebuild

    I am looking to rebuild the Garelli 354 on a 1970 Broncco I picked up last weekend. I am very new to all of this, I was wondering if there are some good resources for finding parts/tips on doing this? The bike only came with the lower portion of the engine, and it looks pretty rough. Hopefully I...
  3. R

    Re:BM DB 30 engine problem

    hello oldminibikes.com forum members, I have a problem with a Bjaj Motorsports DB30 97 cc 4 cycle engine tha recently won't turn over when rope starting; have been running the motor staionary while doing a little PTO machining( with a double-cut Bastard file on the crank end machined to...
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