Broken Valve Nut

The original 2-stroke Genuine scooter and its 4-stroke manual and automatic offspring

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iandicke
Member
Posts: 1
Joined: Mon Oct 05, 2009 1:39 pm
Location: Los Angeles

Broken Valve Nut

Post by iandicke »

Anyone ever snap their valve nut when making an adjustment? I guess I was over tightening the exhaust valve nut on my 2010 4T and it snapped on me today (pictured).

Can I replace the 8mm with something from Home Depot or do I need to order a replacement part?

On a related note, how precisely do I have to line up the notched fan blade with TDC? I got it fairly close and to my eye the valve looked all the way open.

I've read some conflicting specs on this forum about the valve clearances. The manual says 0.06 mm for the intake and 0.08 mm for the exhaust...is this indeed correct?
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Snapped Exhaust Valve Nut
Snapped Exhaust Valve Nut
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