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Yamaha KT100 Go Kart @ Ikoma Sports Land

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Uploaded by on May 24, 2009

Yamaha KT100 Go Kart: a fast lap around the Ikoma Sports Land circuit.

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Sports

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Uploader Comments (tanevivan)

  • what chassis is he using???

  • The chassis is Mach1 (Germany).

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All Comments (16)

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  • it sounds good but arent rotax engines faster. Rotax now have a semi automatic flappy paddle shift kart with 32.6HP thats pretty cool paddle shift and 32.6HP but i hear that the chassis isnt good. me personally would rather get a 2 stroke engine from a dirtbike. like a YZ125 engine would be AMAZING

  • not surprising at all, I had a Margay Enduro Kart Frame with a Briggs & Stratton Raptor Engine & I raced in a couple of Kart races when I was a kid, & I ended up switching to motocross racing when I was 8 years-old because that's what my dad did & all my uncles & cousins, etc so I started winning & I picked up a contract to race for a Yamaha, Kawasaki, Suzuki Dealership in '96, so in '97 I was on a 1997 Yamaha YZ80, & the next season I was on a 1998 Yamaha YZ125 & THEY WERE BOTH LIGHTNING!!!

  • I am thinking of getting a go kart. What is the difference between a KT100J engine and a KT100S.

  • @UNDISPUTED338 Yes, it is very well-designed track. And most-important, it is safe as it has good visibility, sufficient runoff areas, and soft (tire- or even sponge-made) barriers. I saw from your video that this is not always the case, unfortunately :-)

  • @tommygunsayshello (cont) Following your suggestions and setting 9:68 for this class of go-karts would mean to have slower acceleration on full throttle due to decreased torque. As a result, the kart would be unable to reach the max speed (and, max rpm of the engine) as both straights are relatively short. For other, faster tracks with longer straights however, you might be right about the need of 9:68 or something similar.

  • @tommygunsayshello The "usual" gear ratio differs, and depends mainly on the characteristics of the track. The best gear ratio should provide an optimal tradeoff between (i) the torque and the resulting acceleration and (ii) the max speed of the kart. For each track, the optimal gear ratio is already experimentally established, and it is well known from the circuit guide. For the track, shown in this video, the optimal gear ratio is 1:9, (i.e. 9:81, or 10:90).

  • @tanevivan 9:81 that seems like a wierd ratio, usually a 9 tooth front sprocket would have the rear ratio to about 68

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