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built_to_go

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  1. Hi guys and gals, new to the forums and want to share an observation. I was once blessed with both a model 116 350 Alp and a model 85 250 Alp. Both used the stock Amal carb and to my knowledge were set up correctly in regards to timing, fueling etc. The model 85 RIPPED and had great midrange and top end power...the thing was like a rocket ship when wound up. The 350 was more like a tractor, lots of power but not nearly as wicked. It was almost 4 stroke like with a wide, consistent power band I didn't expect out of a larger displacement version of the previous motor. Is there one single difference (like the 116s massive, ridiculous flywheel and counterweight) or is it a combo of porting, jetting exhaust etc? The 85 is long gone and I love the 116 but I would really like to make this motor a little nastier. Thanks in advance!
  2. Hi all, new to this forum but an old soul to motorcycling (considering my age). I bought a Mod. 116 in about 50 pieces I years ago and did an amateur restore a few years after that. I rode it a few times and then bent the kickstarter shaft on a monster backfire, so the cases had to be split again. I'm back at it and have a bare frame and a beaut of an engine being assembled. Excited to have another go at this and really knock this out of the park especially since I FINALLY found a reasonable and in good shape spark arrestor on an auction site for 45 dollars. I'll post some pics later but wanted to say hi. Gonna need to up my monthly parts budget esp of I want those gorgeous chrome fenders! Anyway, thanks for being here I have plenty of questions ?
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