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Adrian Ciotinga

KFX 700 Very Difficult to Start

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So I’ve had this quad for the better part of a month, and it’s been hard to start since the day I bought it. Once it warms up it idles just fine and has plenty of power and starts no problem, but cold it takes 20 seconds minimum of straight cranking to start it.

It’s not really too big of an issue, I’m just curious as to why it takes so long. Earlier today, it took me about 2 minutes of on/off cranking to get it to fire.

i have attached a video of a cold start to show you what I mean.

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I have the same issue on my 440. It’s either timing chain stretched or valve lash is off. Does it backfire too?


Sent from my iPhone using Tapatalk

I have the same issue on my 440. It’s either timing chain stretched or valve lash is off. Does it backfire too?


Sent from my iPhone using Tapatalk

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On 1/26/2020 at 7:45 PM, Adrian Ciotinga said:

It backfires when I give it wayyyy too much gas when trying to start it. Never when riding though, nor when properly starting it.

Are the valves in spec ? U shouldnt  have to give it much gass on starting 

Edited by quadnut20

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