Thread: Compression/Spark plug issues?
04-15-2013, 06:29 PM #1
Compression/Spark plug issues?
Idle RPMs on the flush kit went from 2200 to 1600 dropping and climbing. It held at 2200 for a while when first started then started fluctuating. the mechanic pulled the spark plugs to see what they looked like. He immediately thought they looked very white indicating that it got a little hot in there, this lead him to do a compression check, results were 125 on 1 and 130 on 2 and 3. That seems normal to me?
He did ask me if I ever put fuel injector cleaner in the ski, I caught my father in law doing it once because he thought it would keep things clean. could that be the cause of the spark plug discoloration?...it was a year ago or so and I didn't notice any power problems riding this weekend. Buds might also be able to shed some light on the issue.
important info: 08 RXPX no mods
Last edited by Ryallen; 04-15-2013 at 06:50 PM.
04-15-2013, 06:51 PM #2
Your compression is fine so are the plugs being white as your motor is supercharged.
04-15-2013, 06:52 PM #3
beer- is it normal for the idle RPM's to fluctuate by 600 rpms on the flush?
04-15-2013, 06:58 PM #4
04-15-2013, 07:00 PM #5
Throw some fresh spark-plugs in and see how she does on the water.
04-15-2013, 07:04 PM #6
It had ran for a about 4 minutes on the flush. the white makes sense on the spark plugs, he doesn't work on a lot of 255s or SCd skis I don't think.
Without power loss and after hearing from you I can't see that there are any issues.
Oh yeah: the oil is most definitely overfilled from my buffoonery could cause the RPM drop?
04-15-2013, 07:20 PM #7
04-15-2013, 07:46 PM #8
It's good to run some Injector cleaner in it .
If your Injectors clog then you can burn that piston quickly.
I run Injector cleaner in all the skis I buy..
Over full oil will affect rpms in a big way..
04-15-2013, 10:35 PM #9
04-16-2013, 12:01 AM #10
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