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Author Topic: 1970 HS1  (Read 832 times)

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Offline m in sc

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Re: 1970 HS1
« Reply #30 on: February 11, 2018, 08:35:40 AM »
pretty sure the result is from stuffing the unburnt mixture back in, the hs1 'chamber' shape in the stock pipe is much milder, bu the silencer diameter is about the same. we'll see, it may suck. who knows.
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Offline m in sc

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Re: 1970 HS1
« Reply #31 on: February 12, 2018, 10:20:58 PM »
got them fitted, roughly tonight  the left pipes a bitch, got it tacked up with the mounts but since the frame mounts arent anywhere near symmetrical was tough, had to reverse curve the bracket, blah blah blah.  doing the brackets in stainless as well. however, i did fire it off with the pipes and it sounds great, def 'hits' at just under 7k just by ear. going to have to finish the welding, make a centerstand stop and some good front clamps.  should be pretty good.
the length of the pipe seems to be spot on as well. the twinjet head pipes made it all a lot easier.


 
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Offline yellowandfast

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Re: 1970 HS1
« Reply #32 on: February 13, 2018, 03:36:49 AM »
 :thumbsup:

Oil is your friend......

Manitowoc, WI

Offline m in sc

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Re: 1970 HS1
« Reply #33 on: February 13, 2018, 08:31:41 AM »
get off my lawn.

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Offline yellowandfast

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Re: 1970 HS1
« Reply #34 on: February 13, 2018, 08:41:58 AM »
Yes!

Just for shits, you should measure the pipes you put on and compare them.to the specs I gave you, just to see if you are close.
Oil is your friend......

Manitowoc, WI

Offline m in sc

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Re: 1970 HS1
« Reply #35 on: February 13, 2018, 08:43:57 AM »
Yes!

Just for shits, you should measure the pipes you put on and compare them.to the specs I gave you, just to see if you are close.

i will. i actually plan on making them at some point after i finish the t500.  since i have access to getting them laser cut from sheet, should go well. 
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Offline jkv357

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Re: 1970 HS1
« Reply #36 on: February 13, 2018, 09:30:47 AM »

Offline Czakky

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Re: 1970 HS1
« Reply #37 on: February 13, 2018, 02:33:06 PM »
Who would want a scooter over that? :lol:
71' R5 it runs... for now
02' Guzzi LeMans nekkid

Offline Evans Ward

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Re: 1970 HS1
« Reply #38 on: February 13, 2018, 02:35:06 PM »
Sounds badass Mark!  :rock: :thumbsup:
1984 Yamaha RZ350 (yellow/ black), Spec IIs, rearsets, fk brace
1972 Kawasaki H2 750 Triple (blue) stock original
1967 Yamaha YR1 350 (red) stock original
1976 Suzuki GT750 (blue) stock original