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Bookmark or Share- 2-stroke that's 4-stroking? - Bob's 4 Cycle KartingThe reason that tuning "just a bit leaner" than a "4-stroke" condition works well is because it's essentially the richest spot (i.e. "safest") where the engine will run clean. On the track, it takes one trip down a straightaway to open the jet 'til the engine "4-cycles", then slowly ease in the jet until the engine runs clean.
- Popping on Deceleration - Bob's 4 Cycle KartingAny 4 stroke engine--even those that are flawlessly tuned will pop on decel. It is harmless, but can be annoying--granted. However, I would never alter the jetting of an otherwise performing motorcycle to get rid of it. Go by the seat of your pants and the color of your spark plug rather than the popping as an indication of the jetting of your ...
- Bob's 4 Cycle KartingBob's 4 Cycle Karting Forum- Find expert tips, advice, and resources for racers, plus connect with a community of karting enthusiasts.
- Daytona 190 anima shifter karts | Bob's 4 Cycle KartingThe son of the local track looking for he’s nitch in life. Has taking on track magic’s four stroke shifter karts. And is promoting them. I hope to see them soon and mayb get a demmo ride. The boast 25 hp at 12,000 rpm 5 speed. on a tag chassis. I want to wiegh the package and see how quick it...
- Understanding Tillotson carbs. - Bob's 4 Cycle KartingThe trade off is idling. this is easy to do with a float bowl carb but is harder on a four stroke, air cooled engine with very low vacuum at idle. To properly enrich the carburetor, the low side circuit is enriched to maximize power in the low and miderange of the torque curve.
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