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Discussion Starter #1
Anyone know if monster 620 headers will fit on a post 99 750ss? I'm getting tired of waiting for a set from a 620 sport or 800ss to come up on ebay, and I see the monsters all the time. Looks to me like the only difference is the vertical pipe has an extra bend, I assume to go around the rear suspension, and there are some brackets that could be ground off.
 

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Discussion Starter #3
I believe the distance between the ports is a bit longer, which is no biggie since I can use the TIG welder at work to shorten them. My real concern would be that the ports were changed for the 1000ds head and might not line up, requiring more mods than I'm willing to do. Anyone know about this? Xseal, thanks for the offer, I'll PM you when I dig up a little more info.
 

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Unfortunately, for my buddy Mx...the 1000 headers won't work [without a good bit of work]

The first thing I know won't fit, is the vertical cyl. down pipe. The exhaust port on the 750 is much lower [due to the 61.5mm stroke] The lesser bend on the pipe for both the 900's and 1000's causes it to contact the case before it will seat in the 750's port. This difference in port location also makes the lower horizontal pipe too long [which can be cut and welded to suit]

I know this, because I am running a Hindle full system for a 1000ss on my 750 racebike...and I had to do a lot of modifying...including using a vertical cylinder pipe off an 800SS [the 800's run a 40mm +- dia. pipe that is close to fitting]if you can zoom in on this photo, you may be able to see all the welds etc. [sorry about the poor pic] Ignore the Two Brothers cans...they just happened to be handy when I did the exhaust.

But to actually answer your first question re: the 620 exhaust...Sorry Sparky...I haven't a clue. But maybe you could use everything from the 620 except the vert. downpipe, and get the 800 piece from the dealer [I think I paid like 70 bucks for mine]

 

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Discussion Starter #6
That's what I was afraid of, too much modifying. I'll probably try and pick up a set of monster headers on the cheap from ebay, so I won't feel bad if they don't work out.
 

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Sparky,

I am redoing my exhaust on my 750ss now and may have my old "900ss/modified to fit 750" headsers when done. I don't know if my builder used any parts of my exsisting headers or started from scratch.

I'll check and get back with ya. No promises if I still have them for now.

Brian C.
 
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