speed sheve


yes it does work, you will need an aftermarket secondary helix or a spacer, and you an gear down one tooth on top for same speed and better take off, or just add it and gain about 4-5 mph on top end.

but you will need special tools to install it,
 
receved my speed sheave today ,dont know how the spacer goes on like this
 
speed ring

that ring goes under your helx to alowe your secoundary to open up more and drop the belt down farther. note i have tryed these twice on two sleds once on an srx and on my rx 1 as well and the belts ran very hot and they would blow on both sleds :cry:
 
do u only use the speed ring with stock helix? or use it with dolton helix and bender helix also?
 
Speed sheave

:D Why don't you call Hi-tech and find out . The yamaha, dalton and bender helix are all the same style,just different angles. Bill.
 
:DThis ring in picture #244 is the correct way. It goes on first then the helix. If you have a hi-tech E-R secondary you don't need it. If you have stock Yamaha secondary you need it. Bill :D
 
i have stock yamaha secondary ,and a bender helix so i will use it "corect" ?
 
tryed speed sheve out today ,blowed up new belt and lost 500 rpm :cry:
 
speed sheave

did you do something wrong? were u at full throttle? Did you gain any mph? are you going to try again or take it off? I know the 8dn belts are $65 each. let me know
 
well this is what happened ,new belt with speed sheave and ring went 10 km sled didnt work verry good at all "just going slow breaking in belt " so i took the ring of seckondary clutch ,sled worked a little better ,went anouther 30 km and pined the gas ,looked at rpm lost 500 rpm than boom belt went to pecies .it was a new yamaha belt also :( :(
 
Hi guys,I am having the same problem with my speed ring that I installed it seems alright at slow to mid range but at top end it seems to gain top end but then the rpm drops down slowly to 8000 and it feels like the belt is binding up,then the belt starts to rip of the top layer off it,it lasted 30 km I have installed the secondary spacer and my cutches are perfectly set up with a sled pro clutch tool so I know that my clutches are good,I have just installed a heel x roller secondary and will try to see if this solves the problem but if anybody has any suggestion please tell me so I can get this thing to work properly.

Thanks steve
 
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