won`t start w/o choke

jmz · 03-11-2010, 08:13 AM

Got the airbox sealed , uni filter , gutted factory muffler. Drilled the main jet out and it runs really good , BUT , it will not start witout the choke cold warm or hot. Am I missing something? The pilot ajustment does not seam to have any effect when I adjust it. Do I need to clean the carb one more time?

TheNewGuy · 03-11-2010, 08:49 AM

Maybe running a bit lean, check your plug. Looking for a tan color.

Todd Dolfi · 03-11-2010, 08:49 AM

I have same problem with my G1. I was told pos. air leak. still trying to find on mine thou.

crash12888 · 03-11-2010, 09:05 AM

If you're sure of no air leaks clean the carb again, I like to use the gunk brand carb cleaner, one gallon bucket from the parts store and comes with a little basket in it.
Give it a 3-4 hr soak.
Have you adjusted the valves lately?

jmz · 03-11-2010, 09:39 AM

Valves have been recently adjusted. I will check them again. I also just put a new carb spacer on it.

FIXEROFCARTS · 03-11-2010, 10:27 AM

Drilled the jet? how and why?

jmz · 03-11-2010, 10:46 AM

It was running lean with the uni filter and gutted muffler. Drilled it with a drill bit.

TheNewGuy · 03-11-2010, 11:09 AM

Quote:

Originally Posted by FIXEROFCARTS

Drilled the jet? how and why?

By increasing the inside diameter of the main jet you will allow more fuel flow. By doing this you squeeze a bit more out of the engine. However, you will have to also increase air flow and exhaust flow to achieve the gain.

jmz · 03-11-2010, 11:17 AM

Yes , what he said. I am not to good at typing what I really mean to say.

FIXEROFCARTS · 03-11-2010, 11:29 AM

OK, I now understand the why. How was it determined the size to increase too? And you used a regular drill bit, like from Home Depot?

03-11-2010, 08:13 AM	#1
jmz Gone Wild Join Date: Jul 2009 Location: Gonzales, Texas Posts: 585	won`t start w/o choke Got the airbox sealed , uni filter , gutted factory muffler. Drilled the main jet out and it runs really good , BUT , it will not start witout the choke cold warm or hot. Am I missing something? The pilot ajustment does not seam to have any effect when I adjust it. Do I need to clean the carb one more time?

03-11-2010, 08:49 AM	#2
TheNewGuy Admin/Moderator Join Date: Dec 2006 Location: Ohio Posts: 18,052	Re: won`t start w/o choke Maybe running a bit lean, check your plug. Looking for a tan color.
	Ron PLEASE VISIT Our Sponsors * BGW GEAR The Store The G2 Project * Swing Arm Drop & Repair * Geep1 Project

03-11-2010, 08:49 AM	#3
Todd Dolfi Gone Wild Join Date: Dec 2009 Location: Ohio Posts: 1,143	Re: won`t start w/o choke I have same problem with my G1. I was told pos. air leak. still trying to find on mine thou.

03-11-2010, 09:05 AM	#4
crash12888 Gone Crazy Join Date: Jan 2007 Location: Chesterfield, Va Posts: 6,021	Re: won`t start w/o choke If you're sure of no air leaks clean the carb again, I like to use the gunk brand carb cleaner, one gallon bucket from the parts store and comes with a little basket in it. Give it a 3-4 hr soak. Have you adjusted the valves lately?

03-11-2010, 09:39 AM	#5
jmz Gone Wild Join Date: Jul 2009 Location: Gonzales, Texas Posts: 585	Re: won`t start w/o choke Valves have been recently adjusted. I will check them again. I also just put a new carb spacer on it.

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03-11-2010, 10:27 AM	#6
FIXEROFCARTS Gone Wild Join Date: Feb 2009 Location: Not sure yet Posts: 500	Re: won`t start w/o choke Drilled the jet? how and why?

03-11-2010, 10:46 AM	#7
jmz Gone Wild Join Date: Jul 2009 Location: Gonzales, Texas Posts: 585	Re: won`t start w/o choke It was running lean with the uni filter and gutted muffler. Drilled it with a drill bit.

03-11-2010, 11:17 AM	#9
jmz Gone Wild Join Date: Jul 2009 Location: Gonzales, Texas Posts: 585	Re: won`t start w/o choke Yes , what he said. I am not to good at typing what I really mean to say.

03-11-2010, 11:29 AM	#10
FIXEROFCARTS Gone Wild Join Date: Feb 2009 Location: Not sure yet Posts: 500	Re: won`t start w/o choke OK, I now understand the why. How was it determined the size to increase too? And you used a regular drill bit, like from Home Depot?

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