2018年11月20日 · Sadly, it seems like the end of the legendary first 2 stroker kart motor for many classic simple motor to work on Yamaha KT100 that everyone and their grandmas run have finally died out or starting to go the way of the dinosaurs in club racing with the introduction of the LO206..... sad sad sad.

2017年12月23日 · Yamaha KT100 Issues /Advice. Thread starter NewbCarter; Start date Dec 23, 2017; N. NewbCarter New member ...

2016年10月26日 · Yamaha Factory Open Spec's. Exh. raise 1.2mm Intake Ports, raise 1mm Small intake port, open 2mm to centerline of bore Cylinder, cut comp ring .5mm deeper Head, cut step in head to .6mm depth Compression 10 to1

2013年11月21日 · The little yellow book that came in the box with new engines yrs. back has most everything you need to know to get started , what and where to cut. Name of book is; Yamaha, KT-100S, (Engine Assembly), Owner's Service manual , …

2014年3月6日 · Putting together a couple of karts to run at my local Dirt Sprint track. Older sprint chassis with KT100 just to play with. Looking for low matainence clutch. 219 chain no jackshaft. Thanks Darrell Hotler Heres the track...

2014年10月26日 · These are the settings suggested in the book "Racing the Yamaha KT100-S. Of course I tuned on the track but something I also did, running a engine clutch, was setting the kart on the ground with engine running and turning the low side down while bumping the gas until I got a boog then turning it back up, usually to 5/8.

2014年5月19日 · I just got this from my builder:"With the pipe (SR-Y), slip the clutch about 10000 to 10200 and turn the engine approx. 15000.

2018年11月14日 · I now live in the US and race Stock Honda but want to get a Yamaha to race at a local track near me that doesn't have a shifter grid. I'm not looking to spend huge money and primarily want something for fun but know little about the KT100. I've been offered one for a good price that is comet prepared, but is the 'older' cylinder.

2021年9月14日 · KT100 RH vs’s LH rotation. Thread starter Jbknows; Start ... There are so many Yamaha KT100's out there ...

2021年11月19日 · Yamaha has sent cases to the USA with 3 different prefixes (787, 7U5 & 7F6), and suffixes of either 5 or 6 digits. There may be cases around with other serial numbers, but the numbers listed below cover 99.9% of the many thousands of cases that have passed through my shop over the years. SAND CAST 787-02xxx and 787-03xxx PERMANENT MOLD