Kawi2strokes.com Forum

I have a 77 Yamaha IT 175 I ride regularly here on the street. It is an absolute blast to ride around on for short stints. With a DG pipe, a well sorted carb, and my amateur port and polish it is a hoot.
I have been doing some homework with Allen from CT racing here in SoCal and this is what he came up with. The yamaha blaster 200 quad engine is loosely based on the 77 IT 175 engine.
Soooo, clearance the IT cases for a slightly cut down Blaster crank, add a RD 400 con rod, throw in a ported 240 big bore jug courtesy of LA Sleeve and now ( according to CT) we can make 40 wheel hp. It's a 235 pound bike with a half tank of fuel. Is this a dumb idea? A timebomb? I have an old 490 DLS front brake I can use but a disc would be better. What do you think?

A couple of guys road race the 175's here. They have a blast, why not!

http://www.youtube.com/watch?v=HTJUTxzg ... plpp_video

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Twist the throttle, tilt the horizon, and have a great time. What triples are all about...........

Yeah, I figured you would say that! Let me see what its all gonna cost.

Well machine work and piston, jug, head combo will kill 1600 bucks. Still no carb, pipe, expert assembly or dyno. I'm gonna have to sit on this one for a while . I'm not saying I won't but thats a lot of dough for 40 hp.

That is soooo clean. I've had three (at one time - all running and good shape), I'm down to one now. My kids learned to ride on them, I still have forks, tanks and a bunch of parts.

Here's me jumping one: For you Bay Area guys - that's flying tigers out by SFO - really in SSF.



My older son riding one: This is at Hollister for anyone who knows it.

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This is true. Where I grew up the hills were so steep and long, when your ball rolled down the hill you just said "screw it"...

It's clean because I went over everything! Pretty cheap as bike restifications go, if you don't count the dg head, swingarm, and pipe
This is what I started with and three more parts bikes.
Thanks for the pics!

For the sake of science, 40 hp in the IT frame gives it a 5.8 lb per hp ratio vs a 72 h2 with 5.7 lbs per hp. I thought it would be much more radical than that?

Where are you getting your numbers? A H2 is around 450 plus with 64 rwhp. That's 7lb/hp

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Twist the throttle, tilt the horizon, and have a great time. What triples are all about...........

IT 465 should be funniest but not the same price

Come on John - Brochures don't lie!

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"One day, your life will flash before your eyes. Make sure it's worth watching." : anon.