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Sportster Motorcycle Engine Conversions Advice, questions, and tips for 1200, 1250, 1340, 1450 etc... for Sportster and Buell motorcycle engine conversions

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  #151  
Old 1 Week Ago
Tomcatt Tomcatt is offline
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Quote:
Originally Posted by rocketmangb View Post
My 2006 made 111 HP on the dyno
Very interesting.... Usually when you exceed 110 HP the clutch slips, the belt (or chain) breaks and transmission gear teeth come out thru the case.
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  #152  
Old 1 Week Ago
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I have an Alto Carbonite clutch
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2006 Sportster XL1250C
Hammer Sledge Heads 1.98X1.61 Valves
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  #153  
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Sporty transmissions are very robust and handle increased horsepower very well. The "shop mule" at Hammer Performance has handled 130 horse power without any ill affect that I know off.
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  #154  
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Quote:
Originally Posted by wedge View Post
I see no need for a pressure gauge. With a Harley or any other engine with roller bearings, it's more about flow than pressure.
I like to have both. Often the light will catch your eye even if the gauge doesn't. But having a mechanical gauge as a backup will let you know whether the light is real or just a sensor failure. I've had quite a few sensor failures over the years.
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