Bender triples----what rpm do they operate at

[fourbarrel]

I'm trying to fine tune a buds V Max and would like to know what the peak rpm these Bender pipes run at.He never got the tuning sheet with the pipes when he bought them,second hand,and I cant get the pdf file in the tech section to open for me.In case theres a difference at present he still has the stock head gasket but is planning to do the mod eventually.Thanks.

 

[sxr700]

8400 , 89l weights work well in the primary ..

 

[yamaholic22]

8500-8700

 

[MAD MAX V-MAX]

with turks help my set up 2000 sxr 700 bender pipes advantage roller v force reeds and spacers primary 8ch weights out of a 98 sx 700 stk rivet location (going to try different rivet's) green silver green spring 15 mm rollers engagment 4200 shift out 8700 secondary 47/41 helix green spring 70 deg wrap im going to try mabye dropping a tooth and 60 deg wrap with this set up it pulls hard right up to 100 mph

 

[99VX700]

yes, 85-8700, and i, too, like the 89Ls. tach may read a bit higher than actual...quite common to read 125rpm high i'm told. i once saw a dyno sheet of a '98 XTC with Bender pipes and porting...i think it may have been from TY. anyone remember this? anyone know if it can still be found? it showed about 143hp and i think the peak HP rpm was about 8450 actual.

 

[yamaholic22]

i saw that too, i'm actually pretty sure it was on YI

 

[norwegian]

I think that was "Smeden" from sweden...

 

[yamaholic22]

yes now i remember, it was smeden