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Discussion Starter · #1 ·
Which header is for the left, which is for the right? Seems to me that the rotation of the engine would have the header with the 'long' exhaust end (that goes into the H-pipe) on the left side, and the 'short' nubbed one would go on the right.



Left side bolted up fine, but the right side seems to be sitting too high!



Just looking for clarification before I tear the left side back apart
 

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Which header is for the left, which is for the right? Seems to me that the rotation of the engine would have the header with the 'long' exhaust end (that goes into the H-pipe) on the left side, and the 'short' nubbed one would go on the right.



Left side bolted up fine, but the right side seems to be sitting too high!



Just looking for clarification before I tear the left side back apart
AFAIK They should be the same,,if you have one that fits,,you need another like it.

What kind of bike have you got??
 

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Sorry Mate, not the same.

H box has both inlet holes in line, but one cylinder is in front of the other. Does that make sense?
 

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Discussion Starter · #5 ·
The right hand cylinders are farther back hence the,"Twisted Twins" so yes the right hand side one is the shorter of the two AFAIK.


Yep, I had them right, it was just a bitch of a fit... scratched up my ceramic coating, too




I think that's what pissed me off more than anything!



Oh well... I'll be building a stainless steel exhaust over the winter, anyway. Not like I can hang a turbo off the stock header pipes!
 

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Sorry Mate, not the same.

H box has both inlet holes in line, but one cylinder is in front of the other. Does that make sense?


Yeah, that makes sense,, I guess I never thought about it before. I must have been lucky when I put mine together.

Sorry, Doward.






The right hand cylinders are farther back hence the,"Twisted Twins" so yes the right hand side one is the shorter of the two AFAIK.


Shep, I didn't think that is where the "twisted twin" came from,, the cylinders are twisted inboard so the carbs don't stick out so far.



From wikipedia;



Initially conceived as having a full 90 degree angle between the cylinders like the similar Italian Moto Guzzi machines, early testers reported that the prototypes were too smooth. Also, the carburetors, which projected directly rearward from the cylinders, tended to interfere with the knees of riders. Subsequent engine designs had their V-angle tightened somewhat to 80 degrees, and the heads twisted inward at the rear by 22 degrees.
 
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