Green450s

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I found it and got it downloaded.  Thanks again AKATV.

Hey this Green 450s. I cannot find the service manual on the home page for my 4wheeler yr and make. Can you please point me in the right direction?

Well I turned the idle up. It helped alot. I also changed the button on the side of the carb that you push to get more fuel because it was leaking. I also believe my battery is dead. I was curious to see how old it was and it's 3yrs old so I'm replacing it also. Does having a weak battery cause the types of problems I'm having?  Thanks for telling me to turn the idle up to check the choke cable I did and it looked OK. So at the moment it's running as it should.  Thanks again for helping me out. I bought a service manual and it is arriving today and I can't wait to read it.

On 3/28/2024 at 5:36 AM, shadetree said:

with it being 24 yrs old ?, its hard to narrow your issue down. the piston, or bore can be worn ?, the connecting rod can have play in it ?. wrist pin top at rod can be worn out ?, valves can be out of adjustment ?. really hard to tell you what it can be. the only way you will find out, is too tear the top end down, and inspect the piston, bore, valves, rings, connecting rod. BEFORE you tear it down !!. make sure to have a top end gasket kit, and a tube of yamabond or hondabond on hand !...DO NOT USE RTV SEALANT ANYWHERE ON THIS ENGINE !!!. i'll go out on a limb here, and say your piston, jug, connecting rod is worn out..one of these..or all 3 need to be fixed.

I was thinking it might be idling a little low so i will turn the throttle up some. I bought some fuel system cleaner is that worth putting in? I took the carburetor off and looked at it and it seemed clean to me no sludge or anything sticking. When I got it the man said that he had the carb cleaned and everything maybe he didn't fine tune it. I went to a 4wheeler mechanic and he said that the carb sounded like it needed to be looked at because there was a little hesitation in the throttle. I will look up were the stator is and check the voltage to see if that is correct. No it doesn't smoke at all never has. Thanks for your advice i Iike having someone with knowledge around that can help me learn. 

I have a 2000 Honda foreman 450s 4w4. When I start it up with the choke on its fine but when I take it off it will idle then make clunking noise like the piston is slapping the jug when goes up then it will act like it's going to die. Sometimes it will and when it does my battery doesn't have enough power to turn the 4wheeler back over. I just got a battery tender fix that problem. Can anyone tell me what is going on please.