G1 Crankcase Pulley

Crazy Canuck · 07-18-2009, 03:53 PM

Hi, having problem with my g1 yamaha 1981 engine. In attempting to change the seals I have cracked and chipped the pulley on the PTO side just before the oil pump. Can't get it to come loose. Have tried puller and so much heat it was red hot. Still wouldn't budge. Now, if and when I get it off, I am going to have to replace it. Any assistance would be appreciated. Frustrated

smallblock450sl · 07-18-2009, 04:18 PM

Quote:

Originally Posted by Crazy Canuck

Hi, having problem with my g1 yamaha 1981 engine. In attempting to change the seals I have cracked and chipped the pulley on the PTO side just before the oil pump. Can't get it to come loose. Have tried puller and so much heat it was red hot. Still wouldn't budge. Now, if and when I get it off, I am going to have to replace it. Any assistance would be appreciated. Frustrated

Unless your very very lucky, you will need a "special" puller to get the fixed sheave off. See "sticky" above for the "tool loan" for someone in your area. PM me or Groundpounder or list a "want to buy" in the parts section for a good used fixed sheave.

Crazy Canuck · 07-22-2009, 08:28 AM

HI. I must be doing something wrong here. I have about 4 threads going and they are all about the same thing. My cart wont start. Have pulled the engine, broken the primary fixed sheave and trying to find one. In the meantime I have new seals in and ordered the sheave. Costs $135.00
Not sure if that'sreasonable or not? Anyway just a couple of things today??
How do you BBQ a muffler and how do I close off the additional threads so I only have one going at a time. Thanks in advance

dock98 · 07-22-2009, 08:46 AM

you barbecue a muffler by putting in in a fire.you need admin to close the other threads.

Crazy Canuck · 07-22-2009, 09:13 AM

so what your saying is I just put the muffler in the BBq for a while. What temp and for how long?

Crazy Canuck · 07-23-2009, 09:48 AM

closing this thread. All info on my trouble will be on original thread. Thanks

ic746 · 07-25-2009, 09:42 PM

Crazy, just build a good hot log fire, lay your muffler inside the fire and try to set it in so the tail pipe is pointed towards the ground. This will allow the crap to run out when it gets super hot, I let both my G1's mufflers in the super hot fire for close to 2 hours each. Tell you one thing after they cool dawn and I put on a nice coat of high temp paint both G1's run super good. They can finally breath after years of oil crap building up inside the mufflers.
Calvin

Crazy Canuck · 07-26-2009, 07:01 AM

Thanks Calvin,
Don't have a fire pit as we are in town but, have a fair sized BBQ. Put the muffler in for a couple of hours and cooked it on high. Everyone in the neighbourhood complained about the stink but it appeared to work.Lots of dirty black smoke. It was white when done so gave it a coat of shoe polish. Probably as good as paint. Still waiting for sheave and bearings to come in then will get it back together. Hope all works then. Bob

Crazy Canuck · 07-28-2009, 03:30 PM

Just wanted to confirm with someone that a clutch assembly from an 82 G1 J17 Yamaha will slip onto a J10 81 G1. Just ordered one from Alabama Carts

ic746 · 07-28-2009, 03:35 PM

Thats good to know Crazy because I have both years. Good luck.
Calvin

07-18-2009, 03:53 PM	#1
Crazy Canuck Getting Wild Join Date: Jul 2009 Location: Thunder Bay, ON Canada Posts: 99	G1 Crankcase Pulley Hi, having problem with my g1 yamaha 1981 engine. In attempting to change the seals I have cracked and chipped the pulley on the PTO side just before the oil pump. Can't get it to come loose. Have tried puller and so much heat it was red hot. Still wouldn't budge. Now, if and when I get it off, I am going to have to replace it. Any assistance would be appreciated. Frustrated

07-22-2009, 08:28 AM	#3
Crazy Canuck Getting Wild Join Date: Jul 2009 Location: Thunder Bay, ON Canada Posts: 99	Re: G1 Crankcase Pulley HI. I must be doing something wrong here. I have about 4 threads going and they are all about the same thing. My cart wont start. Have pulled the engine, broken the primary fixed sheave and trying to find one. In the meantime I have new seals in and ordered the sheave. Costs $135.00 Not sure if that'sreasonable or not? Anyway just a couple of things today?? How do you BBQ a muffler and how do I close off the additional threads so I only have one going at a time. Thanks in advance

07-22-2009, 08:46 AM	#4
dock98 doin it in the desert Join Date: Dec 2008 Location: Sonora Desert,Az Posts: 5,603	Re: G1 Crankcase Pulley you barbecue a muffler by putting in in a fire.you need admin to close the other threads.

07-22-2009, 09:13 AM	#5
Crazy Canuck Getting Wild Join Date: Jul 2009 Location: Thunder Bay, ON Canada Posts: 99	Re: G1 Crankcase Pulley so what your saying is I just put the muffler in the BBq for a while. What temp and for how long?

07-23-2009, 09:48 AM	#6
Crazy Canuck Getting Wild Join Date: Jul 2009 Location: Thunder Bay, ON Canada Posts: 99	Re: G1 Crankcase Pulley closing this thread. All info on my trouble will be on original thread. Thanks

Today
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07-25-2009, 09:42 PM	#7
ic746 Gone Wild Join Date: Nov 2007 Location: Martinsburg, WV Posts: 651	Re: G1 Crankcase Pulley Crazy, just build a good hot log fire, lay your muffler inside the fire and try to set it in so the tail pipe is pointed towards the ground. This will allow the crap to run out when it gets super hot, I let both my G1's mufflers in the super hot fire for close to 2 hours each. Tell you one thing after they cool dawn and I put on a nice coat of high temp paint both G1's run super good. They can finally breath after years of oil crap building up inside the mufflers. Calvin

07-26-2009, 07:01 AM	#8
Crazy Canuck Getting Wild Join Date: Jul 2009 Location: Thunder Bay, ON Canada Posts: 99	Re: G1 Crankcase Pulley Thanks Calvin, Don't have a fire pit as we are in town but, have a fair sized BBQ. Put the muffler in for a couple of hours and cooked it on high. Everyone in the neighbourhood complained about the stink but it appeared to work.Lots of dirty black smoke. It was white when done so gave it a coat of shoe polish. Probably as good as paint. Still waiting for sheave and bearings to come in then will get it back together. Hope all works then. Bob

07-28-2009, 03:30 PM	#9
Crazy Canuck Getting Wild Join Date: Jul 2009 Location: Thunder Bay, ON Canada Posts: 99	Re: G1 Crankcase Pulley Just wanted to confirm with someone that a clutch assembly from an 82 G1 J17 Yamaha will slip onto a J10 81 G1. Just ordered one from Alabama Carts

07-28-2009, 03:35 PM	#10
ic746 Gone Wild Join Date: Nov 2007 Location: Martinsburg, WV Posts: 651	Re: G1 Crankcase Pulley Thats good to know Crazy because I have both years. Good luck. Calvin

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