cruzen, how did you guess that. ok does this crank look as to be balanced ?
were the con rod conects to the crank arm, there is 2 little holes in the crank, the crank has holes in it meaning the crank has been balanced.
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Blata rep Watercooled
Triple stage reeds,19mm dell
Reed Spacer,Gloss white
Senior Stock Watercooled
South Morang & Port Mel
Cag in the making
by looking at the pic i would say they have drilled 2 holes throught the crank taking away the weight they just added. i believe this theoryto be better as some crankcase need to be modded just for a stock f/c crank. to fit added weight/materiel to the crank would make crankcase clearence issues. Lets do this easier if you could tell me the crankcase volume then i can tell you weather or not they added weight or took weight away
cheers matty
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911 dreambike rep with polini brake levers, domino 1/4 turn throttle, ported head and exhaust port, polini reeds, blata rep clutch, polini 80mm clutch bell, polini race pipe !!!
because i know what the volum of a crankcase is with a untouched f/c crank but if i knew the volume in that picture thing i would be able to tell weather the crank had weight added or removed
cheers matty
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911 dreambike rep with polini brake levers, domino 1/4 turn throttle, ported head and exhaust port, polini reeds, blata rep clutch, polini 80mm clutch bell, polini race pipe !!!
you dont think they drilled out these holes and then pluged them with a heavier material like lead, making this crank counter weighted, so the lighter area is at the opposite end to the big end bearing ?
F1, this is all your doings mate ha ha , its not just a drawing as such, this animation [ thanks F1 watercooled ] is a very handy piece for all new persons that are learning how these engines work. we have made this a sticky for all to look , gain knowledge and talk about on this forum, as you may have noticed i have started a bit of questioning regarding this as this will help out many in need, believe it or not. waite until i hit the hard questions. by the way guys i would like to keep this disscussion going so NO experts please.
lets stop the crankshaft disscussion for abit and get onto something a little different. Question; what do you think that green coloured stuff is in this engine ?
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