Need help with loud noise on G1 AM5

tradabaugh · 07-13-2011, 10:52 AM

I bought a G1 AM5 a few months ago. It was reasonably quiet when I first got it, but after running only 10-12 hours, it now makes a very loud knocking sound. I think it's coming from either engine or clutch as clanking is definitely coming from that side of engine.

Anyone have any ideas of what could be causing this or how to pinpoint it? I appreciate any help possible as I'm just learnng two stroke. I would like to verify oil pump is working as seller indicated. How can I check it.

Thanks

spriddle · 07-13-2011, 04:26 PM

I would start by pulling the clutch and seeing if one of the arms is broken.

tradabaugh · 07-15-2011, 02:45 PM

OK, I think the noise is coiming from the clutch so I'll pull it off next week and post the results.

tradabaugh · 07-18-2011, 09:20 PM

I tried WD40 and Penetrating oil but I can't get the Primary sheave bolt to budge. It's the 1985 model clutch with the center bolt that holds the sheave cap on.

Anyone have any ideas to get the bolt out?

Rosati · 07-20-2011, 05:18 PM

Remove your drive belt and starter belt
wrap a ratchet strap tightly around the starter pulley
and secure the tag and to the frame. wrap in a manner that
will tighten the strap as you turn the bolt.
Use a cheater pipe because leverage is your friend.

honkytonk13 · 07-25-2011, 12:40 PM

also you can wrap the strap around like rosati said,then hit the wrench with a hammer,sudden jolts or impact usually gets it done.

07-13-2011, 10:52 AM	#1
tradabaugh Not Yet Wild Join Date: Jul 2011 Location: Bowling Green Ohio Posts: 3	Need help with loud noise on G1 AM5 I bought a G1 AM5 a few months ago. It was reasonably quiet when I first got it, but after running only 10-12 hours, it now makes a very loud knocking sound. I think it's coming from either engine or clutch as clanking is definitely coming from that side of engine. Anyone have any ideas of what could be causing this or how to pinpoint it? I appreciate any help possible as I'm just learnng two stroke. I would like to verify oil pump is working as seller indicated. How can I check it. Thanks

07-13-2011, 04:26 PM	#2
spriddle Admin Join Date: Dec 2006 Location: TN Posts: 101,865	Re: Need help with loud noise on G1 AM5 I would start by pulling the clutch and seeing if one of the arms is broken.

07-15-2011, 02:45 PM	#3
tradabaugh Not Yet Wild Join Date: Jul 2011 Location: Bowling Green Ohio Posts: 3	Re: Need help with loud noise on G1 AM5 OK, I think the noise is coiming from the clutch so I'll pull it off next week and post the results.

07-18-2011, 09:20 PM	#4
tradabaugh Not Yet Wild Join Date: Jul 2011 Location: Bowling Green Ohio Posts: 3	Re: Need help with loud noise on G1 AM5 I tried WD40 and Penetrating oil but I can't get the Primary sheave bolt to budge. It's the 1985 model clutch with the center bolt that holds the sheave cap on. Anyone have any ideas to get the bolt out?

07-20-2011, 05:18 PM	#5
Rosati Not Yet Wild Join Date: Aug 2010 Location: Texas Posts: 59	Re: Need help with loud noise on G1 AM5 Remove your drive belt and starter belt wrap a ratchet strap tightly around the starter pulley and secure the tag and to the frame. wrap in a manner that will tighten the strap as you turn the bolt. Use a cheater pipe because leverage is your friend.

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07-25-2011, 12:40 PM	#6
honkytonk13 Not Yet Wild Join Date: Jul 2011 Posts: 47	Re: Need help with loud noise on G1 AM5 also you can wrap the strap around like rosati said,then hit the wrench with a hammer,sudden jolts or impact usually gets it done.
honkytonk13 Not Yet Wild Join Date: Jul 2011 Posts: 47

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