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Author Topic: Fuel Shut-off at Handlebar?  (Read 687 times)
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Old Scrambler
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« on: August 04, 2018, 06:08:10 PM »

Been running in Gas classes.........what type of fuel shutoff controls are available and where do I get a system?.............or are they really needed if I run gasoline while in a fuel class?
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2011 AMA Record - 250cc M-PG TRIUMPH Tiger Cub - 82.5 mph
2013 AMA Record - 250cc MPS-PG TRIUMPH Tiger Cub - 88.7 mph
2016 AMA Record - 750cc M-CG HONDA CB750 sohc - 130.7 mph
2016 AMA Record - 750cc MPS-CG HONDA CB750 sohc - 137.7 mph
Chasis Builder / Tuner: Dave Murre
donpearsall
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« Reply #1 on: August 04, 2018, 06:28:56 PM »

If you run in the fuel class, you have to have the handlebar fuel shut off. Doesn't matter what fuel you actually use. There are lots of devices to do this. I bought a fuel solenoid from Amazon for $15  that is normally closed so energizing it opens it, and de-energizing it closes the fuel supply. Or there are some ways to do it mechanically with cables. But doing it with a solenoid it very simple.

https://www.amazon.com/gp/product/B00APDNPXG/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1

Don
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550 hp 2003 Suzuki Hayabusa Land Speed Racer
Old Scrambler
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« Reply #2 on: August 05, 2018, 12:39:36 AM »

Thank you, Don smiley smiley
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2011 AMA Record - 250cc M-PG TRIUMPH Tiger Cub - 82.5 mph
2013 AMA Record - 250cc MPS-PG TRIUMPH Tiger Cub - 88.7 mph
2016 AMA Record - 750cc M-CG HONDA CB750 sohc - 130.7 mph
2016 AMA Record - 750cc MPS-CG HONDA CB750 sohc - 137.7 mph
Chasis Builder / Tuner: Dave Murre
generatorshovel
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« Reply #3 on: August 05, 2018, 01:33:52 AM »

Make sure that the shutoff valve you choose has Viton seals, they will handle anything wet , including alcohol, "normal" rubber seals will not. Also, be aware there are pressure feed types, & gravity feed types
Tiny
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Tiny (in OZ)
I would prefer to make horsepower, rather than buy, or hya it, regardless of the difficulties involved , as it would then be MINE
wobblywalrus
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« Reply #4 on: August 05, 2018, 01:22:23 PM »

Pingel makes a spring loaded "guzzler" fuel cock that operates by a cable to a lever on the handlebars.  One has been on my bike for years with no problems. I run non-event gas in the fuel class, too.
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Old Scrambler
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« Reply #5 on: August 05, 2018, 05:32:18 PM »

Thanks, guys..................I ordered 2 electric units for my twin-tank gravity setup. 
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2011 AMA Record - 250cc M-PG TRIUMPH Tiger Cub - 82.5 mph
2013 AMA Record - 250cc MPS-PG TRIUMPH Tiger Cub - 88.7 mph
2016 AMA Record - 750cc M-CG HONDA CB750 sohc - 130.7 mph
2016 AMA Record - 750cc MPS-CG HONDA CB750 sohc - 137.7 mph
Chasis Builder / Tuner: Dave Murre
Old Scrambler
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Location: Plymouth, WI
Posts: 668


Going Fast - Slowly




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« Reply #6 on: September 13, 2018, 08:11:45 PM »

Follow-Up:...................the electric units had 'tiny' flow volume.............so Dave made custom units that operate with a split-cable adapted from a 1960s Honda twin. They work great smiley smiley smiley
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2011 AMA Record - 250cc M-PG TRIUMPH Tiger Cub - 82.5 mph
2013 AMA Record - 250cc MPS-PG TRIUMPH Tiger Cub - 88.7 mph
2016 AMA Record - 750cc M-CG HONDA CB750 sohc - 130.7 mph
2016 AMA Record - 750cc MPS-CG HONDA CB750 sohc - 137.7 mph
Chasis Builder / Tuner: Dave Murre
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