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plug chop result


cameronchaos

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Take pics of the other side of the plugs too. ( flip em over)

 

Well i didnt think to do that and i already left the farm but the other side has a brown ring around it just like you can see on the edge of the plugs i will takes pics tommorow

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looks like it is slightly rich to me. not by much.

 

i should have said this first: you should post up some details of your combo (i.e. engine size, jet size etc) and your elevation.

Edited by dozer
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Is it normal for it to have that spot on one side of the plug like in the first pics that i posted up

Its really hard to start sometimes until its warmed up then it fires right up

My setup is

Toomey t5s

Stock carbs 320 main 27.5 pilot

Uni air filter no lid on the air box and the box its self is drilled and cut its just there to keep dirt down

Cool head 20 cc domes

Stock cylinders with F.a.s.t clean up port

V force 4s

Boost bottle

+4 timing

I think thats every thing

And my elavation is about 900 to 1000

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320 sounds rich. i was at 290 with pods on my old setup but i didnt have any portwork.

 

Well I have a 300 I can put in and try should I order a bigger pilot jet considering it's hard to start what else would cause it to be hard to start

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The choke not closing all the way. Bad reeds. Not useing the choke properly. Carb sync.

 

The choke im not sure of but the reeds are two weeks old v force4s

Possibly a carb sync but it runs good on top end idk if it would make a difference or not.

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  • 2 weeks later...

1. clean carbs good all jets and holes even clean out the choke.

2. sync carbs.

3. turn a/f screw 1.5 out.

4. needle middle clip.

5. keep in 320 even though that sounds a bit rich.

do another plug chop.

 

your going to need more jets! but do another plug chop to see, make sure you go threw all the gears and rev it out good! .

 

being hard to start when cold might be due to compression, how old is the topend and have you done a compression check?

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  • 2 weeks later...

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