OP
UTC

Member
Joined: UTC
Posts: 42
 
Member
Joined: UTC
Posts: 42
UTC quote
Hi, I just picked up my GT200 and Im lookin through the manual and it says" to start the engine after prolonged inactivity or in cold climates twist throttle 2 or 3 times before pressing the starter button."

What is the reason for this? [/b]
@grscum avatar
UTC

Ossessionato
2012 BMW G650GS, 2006 GTS,
Joined: UTC
Posts: 2090
Location: Snohomish County, WA
 
Ossessionato
@grscum avatar
2012 BMW G650GS, 2006 GTS,
Joined: UTC
Posts: 2090
Location: Snohomish County, WA
UTC quote
i think this might be to prime the carb a little bit...
@collbain2000 avatar
UTC

Hooked
2004 Vespa ET4
Joined: UTC
Posts: 242
Location: Toronto, ON
 
Hooked
@collbain2000 avatar
2004 Vespa ET4
Joined: UTC
Posts: 242
Location: Toronto, ON
UTC quote
I started my ET4 yesterday after 4 months of inactivity. Gave er a couple of twists and she fired right up!
UTC

Hooked
Joined: UTC
Posts: 447
 
Hooked
Joined: UTC
Posts: 447
UTC quote
On carbureted bikes, twisting the throttle causes the accelerator pump to squirt a little extra fuel into the venturi. If the scooter has been sitting, the extra fuel could encourage it to start more quickly.

This technique should only be used if necessary to get it started, as it can wash the oil off the combustion chamber walls. Some engine people will tell you that always twisting the throttle will add too much fuel to the cylinder on a regular basis can cause premature cylinder wear because it washes away the thin film of oil that should be there.
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