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1450 surging

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rwalker

Well-known member
Joined
Feb 10, 2007
Messages
76
Location
West Bridgewater, MA
displayname
Richard Walker, Jr.
Hi All,
Last fall one of my 1450’s began surging when running and was unable to get above mid rpm. I knew the carb had some issues, so I replaced that along with the filter / valve assembly at the base of the fuel tank and hose between last week.

When I started it after parts changes, it still surged for a little and then I was able to get it to run at full throttle with no issues.

It ran great for 10 minutes at full speed and then began to surge again. This time however sometimes when it was trying to recover it would do a loud bang out the exhaust. A couple of times it also spit out the carb.

In the end, it would not get much above idle for speed and was constantly surging, no banging or spitting at this point. It would also die often; restarting was not easy.

I tried playing with the choke when it was surging thinking it might be too lean, that did not help.

Any thoughts?

Thanks, Rich
 

jkoenig

Well-known member
Joined
Sep 14, 2002
Messages
988
displayname
Jim Koenig Halfway between Harvester, MO and Cadet, MO
How is the fuel tank? Any crud in it? Fuel filler vent ok?
 

kphill

Well-known member
Joined
Jul 14, 2008
Messages
454
Location
Grove City, Pa.
displayname
Kevin Hill
If it is making a loud backfire out the exaust that means fuel is building up in the cylinder but there is no spark and when it gets spark there is a loud bang from excess fuel.. Sounds like electrical to me..Like Craig says change the condenser and see what happens..
 

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