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R1 Fixing Bolt Identification
Oliver Jetson - 22/3/05 at 11:12 AM

Hey up,

Does anyone know what type of bolt needs to be used for the upper mounting of the R1 engine (ie the one that is at the front top when engine is in the car)?

Cheers,
Oli


Ferrino - 22/3/05 at 01:36 PM

If it's the one I'm thinking of then it's M12 x 1.25. Don't quote me on that though


richijenkin - 22/3/05 at 02:02 PM

same as the wishbone bolts?


Coose - 22/3/05 at 02:05 PM

Nope, the wishbone bolts are M12x1.5mm, whereas the engine bolts are M12x1.25mm. Go to your local Yamaha dealer and buy some genuine items - they're about £1.80 a piece!

[Edited on 22/3/05 by Coose]


Oliver Jetson - 22/3/05 at 02:35 PM

Or get them off the shelf from work!

Cheers for the info


Coose - 22/3/05 at 02:43 PM

Ah, that would do it! Make sure they're at least 10.9 though, and not stainless....

Tell me to shut up if you knew that already!


Oliver Jetson - 22/3/05 at 03:10 PM

Bit rude but you said it - Shut up Coose

Thanks for the help though,
Oli