hard starting 440 - Snowmobile Forum: Your #1 Snowmobile Forum

speed demon · 01-29-2006, 10:52 PM

i have noticed it doing this everytime i go to start it, it will start and then stall, so you have to keep reving it a little to keep it going. it does no matter if its warm or cold. after it warms up it will start in 1 pull though. also it seems to be really slugish when you pin it. could this be somthing simple like new plugs because they haven't been switched since last year and i fogged it for the summer.

**smallengineguy** · 01-30-2006, 06:36 AM

MOre likely dirty carbs. Remove and clean them.

speed demon · 01-30-2006, 09:59 AM

k thanks

speed demon · 01-30-2006, 09:59 AM

would carb cleaner work or no?

**smallengineguy** · 01-30-2006, 02:11 PM

No, disassemble them and do it right, so you only need to do it once.

capristang · 02-18-2006, 06:18 PM

did you ever get your carbs cleaned? if so did it help your sled run any better? just wondering because my 87 eltigre 440 is doing the same thing. I have cleaned the carbs once this year and have actually changed one carb do to breaking with a new one.

speed demon · 02-19-2006, 07:42 AM

i got the carbs cleaned 2 years ago. then a year after it started acting up. i tryed carb cleaner and it didn't change anything. so ya carbs need to be cleaned again. but not too bad if they last a year.

should i change the fuel filter? maybe its letting more dirt in now.

**smallengineguy** · 02-19-2006, 07:58 AM

If it won't idle on it's own, the pilot jets in the carb are plugged. Disassemble and clean the carbs. Change the filter also, if it has one.

letitsnow · 02-19-2006, 09:35 PM

carb cleaner is virtually useless in my book, use compressed air and a needle to clean the jets.