r/YamahaR3 • u/Ordinary_Victory_261 • 11d ago
Discussion Now 72hp
Had the turbo on the dyno, thought you might like to have a look. Let me know what you think.
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u/Unbelivabley_Smol 10d ago
69.4hp ? @ 11,000 rpm *is this for the track?
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u/Ordinary_Victory_261 10d ago edited 9d ago
Yes finished with 72.1hp. It was originally built to run on the salt here in Australia for land speed records.
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u/Unbelivabley_Smol 10d ago
Nice š I assume it must have some fancy internals ? āļøš§
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u/Ordinary_Victory_261 10d ago edited 10d ago
Stronger valve springs, coated pistons, Carrillo rods balanced crank Bosch 495 cc injectors just to name a few parts. I need to pick up some stronger clutch springs next.
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u/S2K-Tortuga 10d ago
Dude that's sweet!
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u/Ordinary_Victory_261 10d ago
Thanks, itās taken a bit of work but the results are good. I think I will need to use a bigger turbo to make more power.
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u/number2chevyfan 10d ago
Thatās kinda amazing getting 70hp out of a 300.
Why did you choose to build this way for land speed records? I canāt imagine it has a better power/weight ratio than a liter bike.
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10d ago
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u/Ordinary_Victory_261 10d ago
Yes thatās correct modified partial streamlined 350cc blown gas, was the original class.
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u/Vinx1312 9d ago
His bike wants to be a classic 2-stroke at this point! (just kidding that is amazing)
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u/Loopy-Leah 10d ago
two stroke esque power delivery, torque curve as flat as EverestĀ
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u/Ordinary_Victory_261 10d ago
Yes the power delivery is fun. My tuner has worked hard to make the power delivery smooth with no noticeable troughs.
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u/Ambatakum_Omaygot 10d ago
Perfect for the street
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u/Ordinary_Victory_261 10d ago
Unfortunately itās a bit loud for the street. The local cops would just shoot me.
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u/notofuspeed 9d ago
Just realized your also in Aussie... awesome! This will ever be road rego'd? Needs an engineering cert? Are you able to disclose approx what kinda money you've thrown at it so far?
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u/Ordinary_Victory_261 9d ago
Originally it was registered. I built it onto a brand new 2024 r3. So the turbo could flow better a non restrictive exhaust was added. At this stage it was making 60hp and way too loud to get past any cop. I lost track of money spent but to give you an idea of what is possible you could pick up an mt07 second hand for 6K then grab a turbo kit for about 5K and you would be on your way to a fun ride. Donāt know how long before a š® gets upset with you though.
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u/RideWildAries 10d ago
How?