- Fri Dec 17, 2021 5:01 pm
#99399
Good evening to all aficionados. Since it’s my first post let me introduce myself. I am almost sixty, living in Poland and tinkering with classic or simply old vehicles since my teen years. Enough said my 1934 NSU 500 bike has been with me since high school.
Anyhow for whatever reason I’ve got myself Royal Enfield. I guess for a while I will be frequent customer here.
My question for a start, what is the acceptable piston pressure in twin 700. I have measured 7 bar on each cylinder cold and hot. It’s same on both which is good but according to compression ratio is should be in 10-11 bar region (compression pressure in bar = compression ratio x 1,25).
What is your experience? Or perhaps listed compression ratio of 8,5 is just wishful thinking.
Anyhow for whatever reason I’ve got myself Royal Enfield. I guess for a while I will be frequent customer here.
My question for a start, what is the acceptable piston pressure in twin 700. I have measured 7 bar on each cylinder cold and hot. It’s same on both which is good but according to compression ratio is should be in 10-11 bar region (compression pressure in bar = compression ratio x 1,25).
What is your experience? Or perhaps listed compression ratio of 8,5 is just wishful thinking.