Viper very high idle

Maine SXViper

Maine SXViper

New member
Joined
Nov 6, 2005
Messages
18
Location
Maine
Hi,
My 03 viper idles real high 3000+ if try to turn down it seams like running on 2 cyl. turned idle screw all the way up to lower idle but is still high 3000+ give gas and only bogs. turn idle up 3000+And will go, cleand carbs twice didn't help
dissabled TORS didn't help. Maybe air leak? didn't see any cracked carb boots

Bought new, all OEM, sled has 5,000 miles

Thanks!
 
When cleaning the carbs did you blow compressed air thru all the ports and jets? You may have something in there still. How many turns out do you have on the idle screws? Most Vipers are happy at 2 full turns. Check the choke and throttle cables. They need a little slack in them at the carb rack.
 
stein700sx said:
When cleaning the carbs did you blow compressed air thru all the ports and jets? You may have something in there still. How many turns out do you have on the idle screws? Most Vipers are happy at 2 full turns. Check the choke and throttle cables. They need a little slack in them at the carb rack.
Click to expand...

Did that twice. Cables have slack. 2 turns on all 3 on fuel screws.

what could this be?
 
Gotta take carbs back apart, pilot jet is plugged on one carb. When u have the pilot jet out, hold it up to the light, you should see light thru it. Once these are clean, you can lower the idle and it will run great
 
KneeDown said:
Gotta take carbs back apart, pilot jet is plugged on one carb. When u have the pilot jet out, hold it up to the light, you should see light thru it. Once these are clean, you can lower the idle and it will run great
Click to expand...
Jets are very clean
 
Well, we got all the easy and obvious covered.Mine had a high idle but that was due to the choke cable being a little too tight. Check the carb boots and make sure the carbs are seated.
 
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