I've searched through the forum and found several references about lightening the flywheel weight in the TY mono, but no details on the original weight.

I was going to lighten the flywheel by the suggested 8 to 10oz but am reluctant to go too wild and make it too light. There seems to be evidence that the flywheel has had some weight removed, but that could just as easily be the original machining. Therefore, I'd like an idea of the original flywheel weight of the Pinky mono before I begin to remove any meat.

Can someone tell me the original weight of the Pinky flywheel?

Many thanks

David

Best to ring Birketts they should be able to let you know, they the yamaha gurus.

01229 716806. Cheers.

Edited August 7, 200620 yr by pitley

i just took 40% of the weight off the outside band, but i had access to a lathe.

KuelMuel, intrested to know how your engine felt after you did this mod, and is there a

difference good or otherwise from standard.

KuelMuel - I'd like to know the difference that removing that much weight made, 40% seems quite significant. Many thanks.

barfy, took 12mm off flywheel width around 40% found only a small difference, getting angle

grinder out tomorrow on spare flywheel ,its all coming OFF, keep you posted !

its either or wish me luck

flywheel weight off, motor rips, frount end feels lighter, running with tickover, no problems with

stalling, also seams to rev cleaner, BIG SMILIES

see ya at the rosebowl