04-11-2011, 10:05 AM #1
- Join Date
- May 2007
- Miami FL
Can someone please tell me what the cylinder compression for a N/A 4-tech should be?
Just got a 04 Sportster and did a compression test on it and got 175 psi on all 3. This is just spinning the engine with a closed throttle. I am just curious about the number. Boat runs good.
04-11-2011, 09:29 PM #2
My 03 sportster 155hp was 175psi....
Users Browsing this Thread
There are currently 1 users browsing this thread. (0 members and 1 guests)
By 74mjh in forum 4-Tec PerformanceReplies: 4Last Post: 08-27-2008, 08:54 PM
By Hockey369 in forum Yamaha Old School SkisReplies: 15Last Post: 08-15-2008, 09:19 AM
By DandSPro in forum 4-Tec PerformanceReplies: 9Last Post: 10-27-2006, 09:39 PM
By OCFZR in forum Yamaha PWC Performance (2-stroke)Replies: 25Last Post: 08-31-2006, 08:05 AM
By buddydoo in forum 4-Tec PerformanceReplies: 16Last Post: 05-31-2006, 05:22 PM