Afternoon, was hoping to do some work with the chainsaw today but troubled again with it refusing to start after say working for 15 mins. Low end saw but has all the relevant screws for tuning. Something a engine spud like I should attempt or put it in to get looked at as I do need a new bar as mine is a little off true.
tia
S
Tuning a two stroke (NLC)
Tuning a two stroke (NLC)
W213 All Terrain
Re: Tuning a two stroke (NLC)
Don't touch any screws
Lack of fuel or spark
Unscrew fuel cap - any vacuum hiss?
Tank vent maybe blocked
Clean air filter sponge as well
Next. Empty fuel out and put in a fresh mix
Modern fuel for some reason does not keep for long period of time
Still not starting?
Take out plug and pour a drop of fuel in bore
If it runs , were back to fuel starvation
Look and see if a fuel filter is fitted
Check plug/coil pack for spark etc
Mine does this from time to time and it's usually down to old fuel

Lack of fuel or spark
Unscrew fuel cap - any vacuum hiss?
Tank vent maybe blocked
Clean air filter sponge as well
Next. Empty fuel out and put in a fresh mix
Modern fuel for some reason does not keep for long period of time
Still not starting?
Take out plug and pour a drop of fuel in bore
If it runs , were back to fuel starvation
Look and see if a fuel filter is fitted
Check plug/coil pack for spark etc
Mine does this from time to time and it's usually down to old fuel
Last edited by H8OAG on Tue Jun 05, 2012 4:59 pm, edited 1 time in total.
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99 Lotus Elise 111S.....Heterosexual Spec ...S1
BMW Z4M40i
Range Rover Velar
2022 Spec Mini JCW
BMW R9T Scrambler Sport
Monkey Bike with 125cc conversion
Honda 250 Race Quad
Womaniser Liberty
Re: Tuning a two stroke (NLC)
Fuel was fresh made up today.
Thinking the fuel tank vent as when using the priming bulb "in the field" it did not really feel like it was doing much.
With the air filter off I primed and saw little fuel moving for a few pumps then felt the resistance and the bulb fill properly and the air returning along the full fuel line.
Do not recall about fuel tank hiss.
Fuel filter looks clean, has had less than 4l through it since new, never make the fuel up in the field so nice and clean.
Checked here and could not find the fuel tank vent, ideas ?
Thinking the fuel tank vent as when using the priming bulb "in the field" it did not really feel like it was doing much.
With the air filter off I primed and saw little fuel moving for a few pumps then felt the resistance and the bulb fill properly and the air returning along the full fuel line.
Do not recall about fuel tank hiss.
Fuel filter looks clean, has had less than 4l through it since new, never make the fuel up in the field so nice and clean.
Checked here and could not find the fuel tank vent, ideas ?
W213 All Terrain
Re: Tuning a two stroke (NLC)
Transpires there was a manufacturing fault in the saw too, engine seized a month or so ago. Really good service from http://www.worldofpower.co.uk who sorted picking it up, assessing it and then refunding.
Husqvarna 435 on its way, shouldn't have bought cheap in the first place.
S
Husqvarna 435 on its way, shouldn't have bought cheap in the first place.
S
W213 All Terrain
Re: Tuning a two stroke (NLC)
I got my wee Husky from world of power. They even tuned it before sending it out. 