Yamaha R1 Crossplane Crankshaft Failures
Posted 06 January 2020 - 05:21 AM
Have a look and make up your own mind, just posting in case you're running these in your mini.
https://youtu.be/Vza4wwqcIOA (It takes a while to get there but stick with it).
Posted 06 January 2020 - 02:52 PM
I think nearly all R1 powered Minis are RN09 (5PW Engine) and older.
This seems to be the 2CR Engine (RN32 model R1).
Interesting Video though!
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