Mountain bike
*Vultures Knob>>>Sport Bike

I want to bye a Kawasaki ZXR400. has anyone ever restricted one to 33bhp I want to know about the performance?



I want to get a sports bike. im a big Moto GP fan. "Go Rossi" I used to have a 125. Just passed my test last september. Im not some crazed speed demon with a death whish. I just realy enjoy riding.

There is also a Honda VFR400. But im pritty keen on a Kawasaki

I had to do the whole restricted thing for two years. My bike was a cb500. If you haven't ridden the bike without one you wont know any different as I didn't. But once you get it removed its like having a new bike without the expence. I now ride a cbr600 which I have just had a stage one tune on. My bike is now like a new bike. I can highly recommend it. Ride hard. Ride Safe Source(s): 5 years motocross 10 years road riding
I haven't personally restricted one but as it made about 65bhp @ 13000rpm to begin with, unless you are intending going everywhere at full throttle it will actually ride ok up to 10000rpm. Sometimes it actually improves bottom end power...
her is a site to find out about it

http://www.ukbike.com/h/bike_detail.php?...
Why bother restricting it? You'll just reduce the gas mileage and put unnecessary strain on the engine, trying to get up to speed.
Buy the bike of your choice and don't ride it like a speed demon. Keep the rev's down in each gear and take it easy. Without a restrictor, you'll have the power, if ever needed, to get out of a panic situation.
I thought you had to race tune these to even reach 33 bhp
Chances are that an old ZXR400 won't be making much more than 30bhp at the back wheel anyway.

Manufacturers claim's for bhp on bikes is always at the crank (the back of the engine), this reduces by quite a bit by the time it reaches the back wheel (where it really counts, and where it gets tested). Also, claims for the little 400s were high anyway. Given an older bike, with loose pistons and reduced tolerances and no doubt a bit of power loss from other older internals you'd probably be ok to ride without a limiter.

In addition, If you get something as revvy as a 400 restricted you'll have no fun anyway. I used to have a Yamaha FZR400RR, which ran a similar spec engine, just with a trick exhaust valve and ram air for high speeds. It red-lined at 16,000rpm, and needed everyone of those revs to go anywhere fast. If you're restricted to 10,000rpm you'll not go any faster that Mr Smith on his Honda Superdream.

You're best off getting a boring twin 500 and restricting that; you'll have much more useable power and it won't make you feel like you're missing out on 60% of the bike you bought. You'll get a newer, more reliable bike that will be a good way to get used to the bulk and weight of a bigger bike. It will also be massively cheaper to insure. (Group 7 vs. Group 14)

I would recommend the usual ER-5, CB500 or even a Kawasaki GPZ500S- I used to have one of these, they look ok, certainly better than a CB/ER, and they're cheaper. Plus, you'll still get to the ton even with a limiter.
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