General opinions on a 75+HP R3 platform - Yamaha R3 Forum
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post #1 of 3 Old 05-14-2019, 03:16 PM Thread Starter
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General opinions on a 75+HP R3 platform

As the topic title opines, what is the feeling of the faster R3 pilots on the practicality of the chassis (with what ever needed mods) supporting 75+rwhp?

I started my motorcycling on the 80's Yamaha entry level candidate - an RZ350YPVS.

So when the R25/R3 appears a few years back I got to thinking about an RZ powered R3. I have to believe someone has already done it. I heard Wicked was involved an RZ3 project but not sure how that progressed.

I understand the tank/airbox layout of a modern 4 stroke, and the chassis is meant for 35 to 40hp, but even the RZ350 had a hinge in the middle feeling about it under power, so I have to believe the R3 is better suited to the task.

I had a short ride on an R3 a while back and it felt like I expected a very low power 4 stroke would.

Fire away
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post #2 of 3 Old 05-14-2019, 05:49 PM
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50-60 HP would make me happy, I hope those turbo patent photos were for the R3. Other than that, a 500cc version of the MT-7 engine should fit in an R3 really nicely.

Pepperoni Bros. Racing
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post #3 of 3 Old 05-15-2019, 01:00 AM Thread Starter
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Yeah, a 500cc 4 stroke is just more of the same

I am looking for my 2 stroke hit.

I have a 360lb wet weight RZ500 that is only good for about 90rwhp - and it is a a whole lot of fun.
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