Need help diagnosing a problem with my 1996 Ski-doo Grand Touring 670SE. The oil in the reservoir appears to be draining into the crank case when the sled sits over the summer. Looking for tips on diagnosing where the problem is. From what I understand it could be an inner crank seal problem...

Last weekend I cleaned the rave valves on my etec for the first time in three years, they were surprisingly dirty and actually had the code come up for not fully opening. All went well with that operation with the exception that the oil injection line popped off the pto side as I was putting...

I believe my oil injection pump is acting up, took the head off my 98 mach 1 700 and my pto piston is right coated with carbon, compared to the other two cylinders. all three have 120 psi. the pto cylinder runs cold and does not fire at low rpms but will run fine in the higher rpms. I was just...

I Have a question. I have a 1996 formula 3 skidoo. I just put 3 new oil injection lines on and one of them has no oil going through it. the other two are fine and all cylinders are getting oil. does that mean my oil pump is dying or what?

I've got an 02 Mach Z Sport with about 1900 miles on it. I rode it last week and it ran fine with no issues. I started it after it sat for 5 days and it started and idled fine at first. After it warmed up for a couple minutes, the idle started to get low and then it quit. I put it on a stand and...

I've been through the Trail Convert FAQ and didn't find anything regarding the initial oil pump setting when converting the 440 to oil injection. How are you guys setting your oil consumption? Is there a baseline setting for the cable on the pump or do you just take up any slack, lock it down...