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Turns out the answer is, probably not - assuming a motorcycle motor works the same way as a car motor. I thought this was pretty amazing - Engine Masters Exhaust Header Bash
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I think I have a loose screw behind the handlebars.
'79 XS11 Standard, Jardine 4/1, Dyna DC1-1 Coils, 145 mains, 45 pilots, plastic floats - 25.7mm, XV920 fuel valves, inline fuel filters, speed bleeders, Mikes XS pods, spade-type fuse block, fork brace, progressive fork springs/shocks, manual petcocks, 750 FD, Venture cam chain tensioner, SS brake lines -
Rust
in the muffler will cause engine breathing problems. I know different but still a restriction just more severe.
Originally posted by dbeardslee View Post76 XS650 C ROADSTER
80 XS650 G Special II
https://ibb.co/album/icbGgF
80 XS 1100 SG
81 XS 1100LH/SH DARKHORSE
https://tinyurl.com/k6nzvtw
AKA; Don'e, UD, Unca Don'e -
BA80 has a good story to tell about muffler restrictions, and that's an entirely different story. Stick a potato in your tail pipe and it won't run right. But as far as header dents - it seems they just don't really matter. Which is good 'cause a lot of XS's have a ding or two in the pipes.Originally posted by donebysunday View Post
Anyway, I just thought it was pretty fascinating to see the actual dyno numbers as they beat the crap out of those poor headers.I think I have a loose screw behind the handlebars.
'79 XS11 Standard, Jardine 4/1, Dyna DC1-1 Coils, 145 mains, 45 pilots, plastic floats - 25.7mm, XV920 fuel valves, inline fuel filters, speed bleeders, Mikes XS pods, spade-type fuse block, fork brace, progressive fork springs/shocks, manual petcocks, 750 FD, Venture cam chain tensioner, SS brake linesComment
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Rust
in the muffler can be seen from the outside, swelled rings around the circumference of the muffler through the chrome outer shell. The more pronounced the more restriction up to the point the engine can't be tuned enough to overcome the restriction.
Those guys looked to be having way too much fun smashing the headers.
Originally posted by dbeardslee View Post76 XS650 C ROADSTER
80 XS650 G Special II
https://ibb.co/album/icbGgF
80 XS 1100 SG
81 XS 1100LH/SH DARKHORSE
https://tinyurl.com/k6nzvtw
AKA; Don'e, UD, Unca Don'eComment
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By the end of the video they were getting pretty good at it, too. Musta been somebody else's headers... which does kind of sound like fun. [insert evil grin here]Those guys looked to be having way too much fun smashing the headers.I think I have a loose screw behind the handlebars.
'79 XS11 Standard, Jardine 4/1, Dyna DC1-1 Coils, 145 mains, 45 pilots, plastic floats - 25.7mm, XV920 fuel valves, inline fuel filters, speed bleeders, Mikes XS pods, spade-type fuse block, fork brace, progressive fork springs/shocks, manual petcocks, 750 FD, Venture cam chain tensioner, SS brake linesComment
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Our stock
headpipes are double walled. Dents on the outside mean nothing.put something smooooth betwen your legs, XS eleven
79 F (Blueballs)
79 SF (Redbutt)
81 LH (organ donor)
79 XS 650S (gone to MC heaven)
76 CB 750 (gone to MC heaven)
rover has spokenComment
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Some of 'em are and some of 'em aren't. Did you watch the video?Originally posted by rover View PostI think I have a loose screw behind the handlebars.
'79 XS11 Standard, Jardine 4/1, Dyna DC1-1 Coils, 145 mains, 45 pilots, plastic floats - 25.7mm, XV920 fuel valves, inline fuel filters, speed bleeders, Mikes XS pods, spade-type fuse block, fork brace, progressive fork springs/shocks, manual petcocks, 750 FD, Venture cam chain tensioner, SS brake linesComment
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