87 ski-doo formula plus

elkhunter970 · Post by **elkhunter970** » Mon Feb 02, 2009 11:57 pm

Hey all I have a 87 plus that has got me puzzled it starts fine and idles great but when you hit the throttle it bogs and wont pull itself. I have cleaned the carbs checked crank seals it has good spark. It also is blowing gas out of both carbs when you rapp it up. My buddy seems to think its the rotary valve does anyone have any ideas??? any help will be appreciated

JDT · Post by **JDT** » Tue Feb 03, 2009 1:28 am

Mouse nest in the exhaust? Packed full of acorns?

JDT · Post by **JDT** » Tue Feb 03, 2009 9:38 am

Or the valves as you mentioned. Sounds like an exhaust restriction.

elkhunter970 · Post by **elkhunter970** » Wed Feb 04, 2009 11:28 pm

Thanks for the heads up on the mouse nest

Pulled the pipe off and sure enough the little fellers had been working over time so after some choice words and a little digging the plus is ready for some fun in the snow.thanks again

427cobra · Post by **427cobra** » Mon Feb 09, 2009 10:11 pm

Wow...you guy are good!