decompression valve DIY

r1yfz · Post by **r1yfz** » December 17th, 2009, 9:01 pm

any one every done a decompression valve on a head themselves?

i have my aluminum here and my decompression valve and 10x1 tap on the way....

r1yfz · Post by **r1yfz** » December 20th, 2009, 9:21 am

i guess im going to do it something like this but ontop of the head.

just not how small of a hole to drill......

Nodge · Post by **Nodge** » December 20th, 2009, 4:11 pm

About this big......

r1yfz · Post by **r1yfz** » December 20th, 2009, 7:15 pm

that picture will have to do... wish there were more pictures of the top where the bung was welded

pstoffers · Post by **pstoffers** » December 20th, 2009, 8:31 pm

http://bannedcr500riders.com/board/view ... 52&start=0

sabreguy · Post by **sabreguy** » December 21st, 2009, 5:41 am

pstoffers wrote:http://bannedcr500riders.com/board/view ... 52&start=0

Yup

r1yfz · Post by **r1yfz** » December 21st, 2009, 9:29 am

those pictures are helpfull.... Guess ill have to do my own write up!

r1yfz · Post by **r1yfz** » December 22nd, 2009, 8:16 pm

well this def. isnt a easy job... but very fun, I will have a full report and write up soon.. As soon as i weld my hole shut, drill it and tap it... It will be tricky to weld inside the water jacket

http://www.youtube.com/user/500bigbore · December 23rd, 2009, 6:48 am

bingo

r1yfz · Post by **r1yfz** » December 23rd, 2009, 8:26 am

Roostius_Maximus wrote:bingo

this guys work is well worth the money....

unless your very bored, have access to an aluminum tig machine, drill press, and other misc nity nac parts, and a 10x1mm tap...(they seem hard to find!)

racein01 · Post by **racein01** » December 23rd, 2009, 9:23 pm

r1yfz wrote:
Roostius_Maximus wrote:bingo
this guys work is well worth the money....

here here

BannedCR500Riders.com

decompression valve DIY

decompression valve DIY