Two stroke carb adapter.

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crazyman
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Two stroke carb adapter.

Post by crazyman » Sun Dec 25, 2011 12:04 am

I have a two stroke 30cc trimmer motor on a bicycle that I'm hopping up with a 35cc chainsaw carb. The new carb has a throat of 16mm, the stock throat was 13mm. The original plastic adapter doesn't have enough meat to hog out without reaching fresh air. So, I need to carve a new adapter.

What material would be cheap and readily available that I can make a new heat insulative reliable adapter from?


I tried walnut once as a spacer on a TBI, and it cracked. Should I just epoxy the stock adapter and then just hog away?

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crazyman
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Re: Two stroke carb adapter.

Post by crazyman » Tue Dec 27, 2011 8:45 pm

Nevermind. JB Weld to the rescue.

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jsgarage
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Re: Two stroke carb adapter.

Post by jsgarage » Thu Dec 29, 2011 3:27 am

Why does it have to be heat-insulating? When the plastic adapter breaks again, make one of aluminum just like all the 2 stroke motorcycles used back in the day. Steel would work, too. Its not like a 5% drop in efficiency from heat soak will cost you a Championship....

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