Dirt Bike Valve Stem Nut Size

The owner s manual of my 75 550 f states to tighten the valve stem retaining nut not nuts.

Dirt bike valve stem nut size. The honda expert i get info from also says that the bikes came from japan with one nut on the valve stem then inserted into the rim the shaped washer and then the remaining nut is put on the valve stem outside the rim and tightened. The conical washer sits over the inner tube valve stem and should follow the contour of the valve so that the convex side sits against the wheel rim when fitting. This will keep your tubes from ripping at the valve stem in the case of movement in the tire. Joined sep 18 2001 messages 147 likes 0.

As another poster said i can t see a reason to run the nut up against the valve cap it doesn t need a lock nut don t think i ever lost one. Mar 13 2003 1. View profile view forum posts view blog entries view articles view attachments. I run tubeless trials tires on the back at 5 8 lbs with 2 rim locks and never ripped a stem out of a tube well not yet.

The inside and outside nuts prevent the valve stem from sliding in and out the rim s valve stem hole during tire flex. Now the reason i have the extra nut and valve stem remover is cus i also carry a spare 21 tube pump co2 and some other stuff to either ride out with a flat or worst case either patch or replace the tube and its nice to have the extra nut to hold the valve in place when you replace a tube if needed. Once fitted to the wheel the two lock nuts sit on the valve cap side of the wheel rim. Adam jason show proper positioning of the valve stem nut on dirt bike tires.

Never tighten the nut on the valve stem down to the rim. It is common for the valve stem to run in and out a inch or so while riding. On my dirt bikes i do not use the nuts at all. Dirt bike brands other.

Steering stem nut what size. Summary those nuts they include with presta valve tubes are unnecessary. I use larger hole for valve stem. 17th july 2009 21 45 14.

Start date mar 13 2003. Valve stem nut on dirt bike rear wheel. The valve stem is vulcanized to the tube and can be torn off if the tire spins on the rim so be sure the rim lock is properly installed. I want to buy a socket for the nut on the steering stem between the handlebar mounts.

I think some rims have different size holes for valve stem rim lock. This is why the valve stem is metal.