Hello everyone.
I am having big problems with starting my Yamaha V4 115 HP 2 stroke engine when cold. When its hot it starts immediately.
I?ve cleaned the carbs several times thoroughly and adjusted the pilot screws according to the instruction book. The Solenoid Choker function is working sufficient and it closes the Choker throttle as it is supposed to. But somehow, it sems like it doesnt provide enough fuel when the engine is cold. I need to use compressed start gas to get it running every time. Then it starts almost emmediately and runs normally after a few seconds.
I?ve also tried to start without choke, with a little throttle opening and a lot of throttle opening - but same result. It cranks one stroke and the starter is disabled, without starting the engine. Sparkplugs are new.
Try to take a look at this video which is an attempt to start it normally, with the choker activated.
This is after trying a looong time and suddently it starts.
Yamaha V4 115HP starting problem - Whats wrong ? - YouTube
Its been like this for all the time I?ve had it.
Any ideas for carb adjustment ? What about the pilot / air screws, any experiences with adjustment ?
Thanks in advance.
Michael.
I am having big problems with starting my Yamaha V4 115 HP 2 stroke engine when cold. When its hot it starts immediately.
I?ve cleaned the carbs several times thoroughly and adjusted the pilot screws according to the instruction book. The Solenoid Choker function is working sufficient and it closes the Choker throttle as it is supposed to. But somehow, it sems like it doesnt provide enough fuel when the engine is cold. I need to use compressed start gas to get it running every time. Then it starts almost emmediately and runs normally after a few seconds.
I?ve also tried to start without choke, with a little throttle opening and a lot of throttle opening - but same result. It cranks one stroke and the starter is disabled, without starting the engine. Sparkplugs are new.
Try to take a look at this video which is an attempt to start it normally, with the choker activated.
This is after trying a looong time and suddently it starts.
Yamaha V4 115HP starting problem - Whats wrong ? - YouTube
Its been like this for all the time I?ve had it.
Any ideas for carb adjustment ? What about the pilot / air screws, any experiences with adjustment ?
Thanks in advance.
Michael.