http://www.snowmobileforum.com
Go Back   Snowmobile Forum: Your #1 Snowmobile Forum > Specific Snowmobile Forums > Yamaha Snowmobiles

Please Visit our Site Sponsors


» Sponsors
» Our Partners
» Sponsors
Reply
 
LinkBack Thread Tools Display Modes
Old 01-31-2007, 02:28 PM   #1 (permalink)
ryan1111
Registered User
 
Join Date: Jan 2007
Posts: 11
yamahahahahahaha 340 backfiring

i got my 79 enticer running it takes like 3 to a dozen pulls to start it and when it does it idles fine but bogs mright down under ful throttle but when it does it randomly backfires and you can see a liquid (probably gas) in the vacuum line and can see it cathching on fine when it backfires whats the problem and whats the solution to fix it
ryan1111 is offline   Reply With Quote
Sponsored Links
Advertisement
 

Old 01-31-2007, 08:53 PM   #2 (permalink)
smallengineguy
I am Spartacus
 
smallengineguy's Avatar
 
Join Date: Feb 2004
Location: Milton Mills, NH
Posts: 15,570
1) Add periods to your sentences.

2) Remove and clean the carburetors really well. There is probably dirt in the passages where the fuel needs to go.
__________________
1992 Ski Doo Mach 1 (SC-10/2 suspended) March '07 SF.com Sled of the Month!
1993 Ski Doo Mach Z 780 triple
2001 Ski Doo Mini Z



Evergreen Valley Snowmobile Club Webmaster

If I'm not home, CHECK THE TRAILS!
smallengineguy is offline   Reply With Quote
Old 01-31-2007, 09:37 PM   #3 (permalink)
kccats
-LIFETIME MEMBER-
 
kccats's Avatar
 
Join Date: Dec 2006
Location: Northern IL
Posts: 3,542
What vacum line can you see fuel catching on fine?
kccats is offline   Reply With Quote
Old 01-31-2007, 09:57 PM   #4 (permalink)
ryan1111
Registered User
 
Join Date: Jan 2007
Posts: 11
the one that goes to the diaprahm for the suction of gas to the carb
ryan1111 is offline   Reply With Quote
Reply



Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Powered by vBadvanced CMPS v3.0 RC2
Powered by vBulletin® Version 3.6.8
Copyright ©2000 - 2008, Jelsoft Enterprises Ltd.
SEO by vBSEO 3.0.0 RC8
Copyright SnowmobileForum.com