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Author Topic: Shutting fuel off  (Read 1251 times)

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bubtrauma

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Shutting fuel off
« on: April 25, 2017, 12:15:17 PM »

Ok I just finished putting new lifters in a friends bike. I would like to crank it for a bit with out starting. I want to avoid fueling the engine while it cranks.

what is best option:
pull plugs and crank
just disconnect plugs and crank
disconnect wire from throttle body and crank with plugs out.

I soak lifters and tried to prime as best possible but want to avoid the clatter from initial start.

OR am I being to fussy.

Bob
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Boatman

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Re: Shutting fuel off
« Reply #1 on: April 25, 2017, 12:53:40 PM »

Pull the fuel pump fuse.  Remove plugs if you like to crank easier.
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bubtrauma

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Re: Shutting fuel off
« Reply #2 on: April 25, 2017, 01:02:38 PM »

Thanx
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hd-dude

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Re: Shutting fuel off
« Reply #3 on: April 25, 2017, 01:09:49 PM »

Ok I just finished putting new lifters in a friends bike. I would like to crank it for a bit with out starting. I want to avoid fueling the engine while it cranks.

what is best option:
pull plugs and crank
just disconnect plugs and crank
disconnect wire from throttle body and crank with plugs out.

I soak lifters and tried to prime as best possible but want to avoid the clatter from initial start.

OR am I being to fussy.

Bob

Yes...but pulling the fuel pump fuse is the easiest.

grc

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Re: Shutting fuel off
« Reply #4 on: April 25, 2017, 02:09:27 PM »


The easiest way to eliminate fuel and spark is to leave the ignition off and use a jumper from the starter positive post to the solenoid connection.  I use an old re-purposed remote starter switch I had laying around from about forty years ago.  I removed the spring clamp from one wire and installed a spade connector to fit the solenoid.  Now I attach the remaining spring clamp to the hot wire for the starter and the spade connector to the solenoid, and use the push button to crank the engine. 

Jerry
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FlaHeatWave

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Re: Shutting fuel off
« Reply #5 on: April 25, 2017, 09:01:19 PM »

The easiest way to eliminate fuel and spark is to leave the ignition off and use a jumper from the starter positive post to the solenoid connection.  I use an old re-purposed remote starter switch I had laying around from about forty years ago.  I removed the spring clamp from one wire and installed a spade connector to fit the solenoid.  Now I attach the remaining spring clamp to the hot wire for the starter and the spade connector to the solenoid, and use the push button to crank the engine. 

Jerry

Yep :2vrolijk_21: With the spark plugs out
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Re: Shutting fuel off
« Reply #6 on: April 25, 2017, 09:24:18 PM »

I usually just leave it in 5th gear on the lift and turn the back wheel before replacing the plugs, but realistically there's no reason not to just fire it up.  It only takes maybe 10 seconds for them to get some oil.
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