whistle noise on lml 5 port non autolub

[no-hair]

hi , have just fired up a lml 5 port engine , tick over fine as soon as you start to rev it a whistle noise starts from what seems tobe the flywheel , checked flywheel nut thats ok , any idea`s please .. :wtf:

[goldeneye]

Roger Whittaker stuck in the toolbox?

[tomdavid1988]

catalytic converter

[paul d]

My T5 made a whistling noise when it started to spin the clutch side oil seal . Eventually the bike wouldn't come down from high revs and failed to start . I hope yours isn't doing the same .