Stuck starter plunger

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bobwhitman
Posts: 402
Joined: Sat Jul 27, 2013 4:49 pm
Location: Eugene, OR

Stuck starter plunger

Post by bobwhitman »

Old 22mm Mikuni- brass starter plunger is stuck in the pot metal carb body. I’m beginning heat/penetrating fluid treatments. Any suggestions?
Bob
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Bullfrog
Posts: 2784
Joined: Mon Jul 22, 2013 4:05 pm
Location: Oregon, 12 miles from the center of the Hodaka Universe(Athena)

Re: Stuck starter plunger

Post by Bullfrog »

Check the slide guide "pin" to be sure it is metal. If not, be very careful with the application of heat. There are some carb bodies with plastic guide pins.
Ed
Keep the rubber side down!
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thrownchain
Posts: 1920
Joined: Sun Jul 21, 2013 8:52 am

Re: Stuck starter plunger

Post by thrownchain »

Get it apart?
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bobwhitman
Posts: 402
Joined: Sat Jul 27, 2013 4:49 pm
Location: Eugene, OR

Re: Stuck starter plunger

Post by bobwhitman »

Not yet, still soaking
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thrownchain
Posts: 1920
Joined: Sun Jul 21, 2013 8:52 am

Re: Stuck starter plunger

Post by thrownchain »

What are you soaking it in? If you have it submerged, try heating the liquid it's in. You don't need to boil it but the heat will help things expand and get things apart.
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bobwhitman
Posts: 402
Joined: Sat Jul 27, 2013 4:49 pm
Location: Eugene, OR

Re: Stuck starter plunger

Post by bobwhitman »

Got it. Penetrating fluid, heat, patience.
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Darrell
Posts: 315
Joined: Mon Jul 29, 2013 7:09 am
Location: Vancouver Island, BC

Re: Stuck starter plunger

Post by Darrell »

Next time try a soak of 1 part PineSol and 1 part water. It got some stuck piston rings unstuck when penetrating fluid and heat failed.

Darrell
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bobwhitman
Posts: 402
Joined: Sat Jul 27, 2013 4:49 pm
Location: Eugene, OR

Re: Stuck starter plunger

Post by bobwhitman »

Ah, the madCanadian chemist strikes again!
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