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Does everyone have to engage the throttle a bit when starting the engine from cold?


fuzzybabybunny

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On my EOS 100 and old ROS 125 I am never able to cold start the motor by just pull starting. It either never starts at all, or it starts and shuts down immediately, never going into idle. 

I have to be pull starting and giving it a little bit of throttle at the same time, even if I've primed it correctly. 

- Is giving a bit of throttle when cold starting necessary and expected to have it start and maintain idle?

- If not, what motor do you have? 

- What should I do to get throttle-less starts and idles?

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  • 1 month later...

Hi Victor

I wouldn't worry about it, as long as you don't have to hold some throttle to keep the idle once started. 

I've gone back to a WG8 carb on mine and it will pop with no throttle and choke engaged but I need a bit of throttle to get it to start when choke opened. Restarts with no throttle when warm.

What part of the world are you in these days? 

David NZ

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