The best torque is going to be a polini with a proma circuit. 14/15 Bing. You should do a full rebuild, new crank and case match but you can just slap it on too.
The best torque is going to be a polini with a proma circuit. 14/15 Bing. You should do a full rebuild, new crank and case match but you can just slap it on too.
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