Snowmobile World banner

1 - 10 of 10 Posts

·
Registered
Joined
·
5 Posts
Discussion Starter #1
This is my first time in here so if I screw up shoot me. Anyways I just picked up a new to me 2000 manual start Formula 900 miles 145-150 both sides PSI. Started horribly so I got the carbs cleaned and it still starts the same Flooding, wet plugs daily have to start it uaually with the throttle locked full the feather it till it stumbles to life. Using the recommended BR9ES plugs at ,028. I have heard that BR8's may solve it but is that a ticket to a hole in the piston. How about Splitfires? Any ideas I would most welcome. :lookaround:
 

·
Registered
Joined
·
193 Posts
This is my first time in here so if I screw up shoot me. Anyways I just picked up a new to me 2000 manual start Formula 900 miles 145-150 both sides PSI. Started horribly so I got the carbs cleaned and it still starts the same Flooding, wet plugs daily have to start it uaually with the throttle locked full the feather it till it stumbles to life. Using the recommended BR9ES plugs at ,028. I have heard that BR8's may solve it but is that a ticket to a hole in the piston. How about Splitfires? Any ideas I would most welcome. :lookaround:[/b]
Check floats. shure there set right,needle and seat,(could be a crank seal maybe lower half needs compresion to). shure it's enough spark (coil). do you have a choke is it clean? Crash dummy
 

·
Registered
Joined
·
193 Posts
This is my first time in here so if I screw up shoot me. Anyways I just picked up a new to me 2000 manual start Formula 900 miles 145-150 both sides PSI. Started horribly so I got the carbs cleaned and it still starts the same Flooding, wet plugs daily have to start it uaually with the throttle locked full the feather it till it stumbles to life. Using the recommended BR9ES plugs at ,028. I have heard that BR8's may solve it but is that a ticket to a hole in the piston. How about Splitfires? Any ideas I would most welcome. :lookaround:[/b]
Mabe it's just your fuel and oil mix to rich.
 

·
Registered
Joined
·
76 Posts
Check floats. shure there set right,needle and seat,(could be a crank seal maybe lower half needs compresion to). shure it's enough spark (coil). do you have a choke is it clean? Crash dummy[/b]

Yup. Also make certain your air intake isnt obstructed... but I think crash dummy is right on with floats,needle & seat. I'm not sure if a bad crank seal would cause flooding so I can't say either way there.
 

·
Registered
Joined
·
2,782 Posts
Spark plug gap is.018" . Look inside your spark plug boots for carbon tracking with a flashlight. If carboned up, unscrew them off the wires, cut 1/2" off the wire and replace them with new. To test whether your carbs are flooding, warm the sled up and pinch off the fuel pump supply hose before you switch the motor off. Leave it sit for 1 hour and try to restart. If it starts with enrichment lever on the first detent then you have faulty inlet needles (float level too high) or the automatic fuel shut off built into the fuel pump isn't working. Another thing to make sure your carb heater valve is shut off (red knob between the cylinder head and carb) is pointing straight up.
 

·
Registered
Joined
·
36 Posts
Check to see if your throttle flaps in the carbs are both opening at the same time. Possible that the screws securing the synchronizer shaft to the throttle flaps are loose. Hope this helps you out.
 

·
Registered
Joined
·
5 Posts
Discussion Starter #7
I went to the Skidoo dealer and they said BR8 's were ok but not to go hotter. Haven't tried them out yet but will tomorrow. As for the carb goodies the guy I had do em is highly regarded so I can't see him missing any of those things. Also the gas is good as I have used a couple tanks since getting it. If the BR8's don't do it I will have him tear them down again and check the fuel pump oil setting ect. Gotta do something for sure since its hard to keep enough plugs on hand to keep the thing runnin.
 

·
Registered
Joined
·
1,236 Posts
I would agree with Thumbdoc, plug gap 0.18 and check the floats there very easy to bind up when putting them back together after cleaning.


mutt
 

·
Registered
Joined
·
149 Posts
Maybe even check if you have a stuck choke, if your choke lever is stuck on you could have a nice headache on your hands... had that happen to me!
 
1 - 10 of 10 Posts
Top