R3 Engine Swap FZ-07 - Yamaha R3 Forum
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post #1 of 5 Old 01-02-2017, 07:02 PM Thread Starter
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R3 Engine Swap FZ-07

So I'll "try" to keep it short and say I financed a new 2015 Yamaha R3 a while back. Real fun bike! Very comfortable and sporty lightweight motorcycle. Seeing how I financed it I don't want to get rid of it. Recently however I started getting a little bored with the power. I got around to thinking of a similar and compatible engine to perform a fairly easy swap and came across a 2015 Yamaha FZ-07 engine out of a wrecked motorcycle.

I googled and googled and did all the research I could think of doing. They appear almost identical. Yamaha Parallel Twin Cylinders. Both are 2015. Weight is very close. The mounts are almost identical. I'm wanting to take a shot at swapping engines. The FZ-07 almost looks like a direct replacement! It looks like everything is identical and I can just replace my R3 ecu with an FZ-07 ecu and that's all?

The wiring harness on my R3 appears identical. Looks like I can just unplug my R3 ecu and plug in the FZ-07 ecu?

The FZ-07 engine I have is complete with throttle bodies and airbox. Which also look identical but I'll swap all this out because it's already attached to the FZ-07 engine because it was pulled from the wrecked motorcycle fully intact.

The exhaust is virtually identical as well. I see no reason why I couldn't perform the swap but just thought I'd check on here before I start pulling the engine. Any info that would be helpful and informative is greatly appreciated. Any links related please post. Thanks!
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post #2 of 5 Old 04-02-2017, 03:20 AM
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I'm keen to see this mod!


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post #3 of 5 Old 04-02-2017, 07:11 PM
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search on youtube, theres a guy who already did it
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post #4 of 5 Old 04-02-2017, 07:28 PM
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Subbing to thread to see result
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post #5 of 5 Old 04-02-2017, 11:59 PM
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Originally Posted by Gabriel Serrano View Post
search on youtube, theres a guy who already did it
Really? Wow.
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