Starter belt

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Old 04-13-2016, 09:35 AM
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Default Starter belt

I have converted an NGH GT9 engine for a boat setup. Made a custom exhaust for it as well.

Everything seems to be okay, except that yesterday I drove the boat and the starter belt melted on the exhaust. (it shouldn't have touched the exhaust, but somehow did)

The starter belt is a standard belt bought on ebay. I don't know much information on it.

I can't seem to insert an image nor upload it.

I know bigger gas boats have different V belts and they probably don't melt that easy.

I tried to search for them but didn't find anything.
Anyone has any information on these belts, preferably the ones that's the same size as nitro starter belts?
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Old 04-13-2016, 10:12 AM
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Any belt will melt with exhaust, is the exhaust going out the back of the boat?
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Old 04-13-2016, 04:30 PM
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Originally Posted by roadrashracing View Post
Any belt will melt with exhaust, is the exhaust going out the back of the boat?
Yes, the exhaust goes from the side of the engine through the boat and out at the back.

A nitro engine exhaust probably wouldn't melt the belt as it runs cooler than gas engines.

i23.servimg.com/u/f23/11/36/08/27/photo_30.jpg

as you can see in the image, the belt lies on the exhaust.
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Old 04-13-2016, 09:12 PM
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You could try tilting it forward or tuck it in the sides.
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Old 04-18-2016, 09:54 PM
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I've yet to melt one from heat. They're sewing machine belts which come in 2 basic types, rubber and a silicone type. Try to keep it away from the engine and exhaust after starting. Some boaters will wrap them around the engine and they don't seem to have issues.
OK, I got the image. Flip the belt forward and you shouldn't have a problem. You don't need that water-cooling on the header as it's not doing anything.
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