Whats the lowest #s posted?
Thread Starter
Joined: Oct 2004
Posts: 2,357
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From: Vance, Alabama
Whats the lowest #s posted? I think Ive got em 
2006 Yamaha Raptor 700R
11.1 Wiseco piston +1mm over
ported head
stock cam and valvetrain
GYTR filter and adaptor
GYTR header and muffler
Dobeck Gen II TFi fuel controller
Stock knobby tires
A stock 700R will put down 39-41rwhp.
In comparison a Honda 400EX jetted and piped will put down 30rwhp or so, Suzuki/Honda/Yamaha racing 450cc quads put down 40-42rwhp and 27ish ft lbs of torque.
2006 Yamaha Raptor 700R
11.1 Wiseco piston +1mm over
ported head
stock cam and valvetrain
GYTR filter and adaptor
GYTR header and muffler
Dobeck Gen II TFi fuel controller
Stock knobby tires
A stock 700R will put down 39-41rwhp.
In comparison a Honda 400EX jetted and piped will put down 30rwhp or so, Suzuki/Honda/Yamaha racing 450cc quads put down 40-42rwhp and 27ish ft lbs of torque.
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Thread Starter
Joined: Oct 2004
Posts: 2,357
Likes: 0
From: Vance, Alabama
Yeah, its far from stock and pulls your arms off(well...almost lol). Those Rotax engines on your quad can be made into firebreathers too you know 
. Im gonna do a cam swap in the summer so Im lookin into gettin some slicks to use on the dyno and hit the highly sought after 60rwhp mark(or better....Im almost there now if I had slicks on when I dynoed instead of the knobbies).
. Im gonna do a cam swap in the summer so Im lookin into gettin some slicks to use on the dyno and hit the highly sought after 60rwhp mark(or better....Im almost there now if I had slicks on when I dynoed instead of the knobbies). LS1 Tech Stories
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Originally Posted by Bo White
Yeah, its far from stock and pulls your arms off(well...almost lol). Those Rotax engines on your quad can be made into firebreathers too you know . Im gonna do a cam swap in the summer so Im lookin into gettin some slicks to use on the dyno and hit the highly sought after 60rwhp mark(or better....Im almost there now if I had slicks on when I dynoed instead of the knobbies).
. Im gonna do a cam swap in the summer so Im lookin into gettin some slicks to use on the dyno and hit the highly sought after 60rwhp mark(or better....Im almost there now if I had slicks on when I dynoed instead of the knobbies).
As for the Rotax engines, when I did the formula SAE competition (back in 2002-2003), we used a single cylinder 600cc Rotax for our engine. We had some head work done to it, and it put down somewhere around 60 HP/60 TQ on an engine dyno. It was pretty quick in our 475 lb car...how much does that 4-wheeler weigh?