KT 100 open - What pipe

Tyler Mantel · Posted: Tue Jan 17, 2012 12:30 pm Post subject: KT 100 open - What pipe

I am running a kt100 open race. The track is fairly slow (tight turns). I am currently running a bully 4 disc jackshaft clutch. I am wondering if anyone knows what pipe will work best. I am currently running an old L2.

Any input would be greatly appreciated.

al nunley · Joined: 13 Nov 2006 Posts: 3027

Tyler Mantel · Posted: Tue Jan 17, 2012 4:53 pm Post subject:

I dont know the exhaust port opening. but I set my clutch to engage at around 10,300 rpm to match my peak torque.

Chris Hegar · Posted: Tue Jan 17, 2012 6:29 pm Post subject:

Mod Yamaha.... did ya turn it into a reed, it can be done. Wink

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Jim White · Joined: 21 Jul 2001 Posts: 994

You say you are running an open race, but is your motor "open" so to speak? Or are you running just a normal legal blueprinted Yammie and looking for pipe recommendations for it?

Tyler Mantel · Posted: Tue Jan 17, 2012 8:31 pm Post subject:

Blueprinted, sorry i meant open for pipe and clutch

Jim White · Joined: 21 Jul 2001 Posts: 994

L2 is one of the better overall pipes right now. When I used to sprint race our local track had some tight stuff. I did pretty good with an old now, but new then RLV "TP" pipe. I believe it was made for the PCR (P50 maybe) piston port engine. The thing had great low end torque when used on the yammie. Probably still got it in a box somewhere.
If you are looking for a better mouse trap they are out there. You just have to test, test ,test till you find what works best.

mike clements · Posted: Tue Jan 17, 2012 9:40 pm Post subject:

I ran very well with an RLV 90* small can 200 pipe. Sounds good too ! Smile

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Tyler Mantel · Posted: Wed Jan 18, 2012 7:46 am Post subject:

I guess what I am specifically looking for a pipe that has a strong power band between 10,300 and 14,600 for a KT100

Jim White · Joined: 21 Jul 2001 Posts: 994

You are asking for a pipe that works over a very broad rpm range. The L2 is pretty much designed for what you are asking of it.

Tyler Mantel · Posted: Wed Jan 18, 2012 8:03 am Post subject:

Thanks Jim

Tyler Mantel · Posted: Wed Jan 18, 2012 8:57 am Post subject:

http://www.psweraceteam.com/home/track

this is the track if anyone was interested

JT Miles · Posted: Wed Jan 18, 2012 10:53 am Post subject:

that looks like a fun track...
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Greg Wright · Posted: Wed Jan 18, 2012 11:01 am Post subject:

Brian Mead · Posted: Wed Jan 18, 2012 6:20 pm Post subject:

Tyler, have you talked to John Copeland? Right there in town. Does really good motors and was fast,fast,fast in the laydowns for years. Did alot of PGP motors over the years. Fox Valley.