Search found 27 matches

by boostdoctor
July 3rd, 2009, 10:42 pm
Forum: Drive Tech
Topic: 90.5mm vertex new ring end gap .022
Replies: 58
Views: 1122

vertex piston life?

So how long are you guys Vertex pistons lasting? My piston didn't last very long; but I think my machinist set the clearance at .004(the proper clearance for a 4stroke according to the literature that came with the piston) instead of .003. Plus I found out that my crank seal(oil side) was leakinng a...
by boostdoctor
May 11th, 2009, 7:48 pm
Forum: Photo's and Videos
Topic: .....took my 2nd gen af to the mx track. *vid inside*
Replies: 1
Views: 373

.....took my 2nd gen af to the mx track. *vid inside*

This is a different animal from anything I've rode on the track. I'm sure the complete cr250 ignition isnt helping. lol The first time I went to the track I thought that I would never be able to ride it without a flywheel weight; but now there is SOME hope. My arms are finally starting to get use to...