When do you need compression releases?
Tourer
Joined: Oct 2006
Posts: 274
Likes: 0
From:
Dealer told me I didn't need CR when they installed the 103 w/ 255 cams on my 08 RK. I had problems with hot starts after gas stops. Went through a starter clutch. I bought the Hi Torque starter and SE Compensator. When another Dealer went to install it they found crank runout was pretty bad and replaced everything under warranty. While they had the heads off I had manual releases installed. Parts were under $100 and 1 hr labor for machining. I would recommend getting releases for a 103 build.
In this months American Iron magazine in the Q & A section somebody wrote in with the same hot start problem and they really didn't have an answer other than possibly running rich causing deposits on pistons increasing compression? AI recommended he contact a builder look at it for an answer.
In this months American Iron magazine in the Q & A section somebody wrote in with the same hot start problem and they really didn't have an answer other than possibly running rich causing deposits on pistons increasing compression? AI recommended he contact a builder look at it for an answer.
Last edited by Rick06; Feb 3, 2010 at 07:57 AM.
Road Warrior
Joined: Nov 2007
Posts: 1,589
Likes: 3
My Ultra is 9.8:1 and I went ahead and put them in. I was told that in all likelihood I would never need to use them but better safe than sorry. I would hate to be on a trip and stranded because I saved the $40 for compression releases. I use mine on occasion when we stop and restart the bike when it is hot. I do it just out of convenience....not out of necessity.
Tourer
Joined: Sep 2005
Posts: 305
Likes: 1
From: pittsburgh
I guess it comes down to your definition of "have to" vs. "should".
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