mookaloid
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| posted on 2/5/10 at 11:34 PM |
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Fireblade Exhaust Help please
Please can anyone with a fireblade engine tell me either the exhaust port diameter or the diameter of the manifold pipe which goes into the exhaust
port?
Thanks in advance
Mark
"That thing you're thinking - it wont be that."
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mark chandler
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| posted on 3/5/10 at 09:08 AM |
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It goes back a couple of years but I am fairly certain I made my primaries from 1.5" Stainless, this is slightly larger than the standard, maybe
1/4".
I then chopped the ends off a standard system and lathed out the inside slightly so snug fit and delicately welded the outside rings may also have
needed opening slightly.
It cost £125 for 8 x 90degree 1.5" bends, 1m of 1.5" tube and 1m of 2" tube.
I made the collectors by spliting the 1.5" and letting in V sections chopped out of the two 2" tube.
Regards Mark
Regards Mark
 
Rescued attachment Exhaust.jpeg
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phil_far
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| posted on 3/5/10 at 05:20 PM |
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Did mine with 36mm 0r 38mm OD for the (forgot!)primaries, and 42mm for the secondary....then 2"for the final pipe. I tack welded and mointed on a
block of wood simulating the head arrangement...then took them to a tig welder and pressure tested for leaks
Matched 1 & 4 and 2 & 3
 
Rescued attachment exhaust.JPG
Philip
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Wheels244
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| posted on 3/5/10 at 08:41 PM |
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Hi Mark
I've just taken the engine out of my Blade Trackbike to rebuild the gearbox.
You're welcome to come round and measure if it would help.
Rob
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