it will pull really good ....i think its something around 52

bluemonster1
LIFE MEMBER ONLY ONCE!!!
mos..I will be trying out the 8bu's Wed.Will let you know in a new thread how they work..Will you put that cat to sleep please..loll
warrior1100
New member
Whit this set up i was overreving 8900rpm
89A10, 52.8gr
y-w-y
green secondairy
80 degree
51/43
What i can do to put down my rpm, whit thits set up and wy the rpm was so hi whit this
89A10, 52.8gr
y-w-y
green secondairy
80 degree
51/43
What i can do to put down my rpm, whit thits set up and wy the rpm was so hi whit this

bluemonster1
LIFE MEMBER ONLY ONCE!!!
get rid of that helix as starters
mopar1rules
Active member
bluemonster1 said:get rid of that helix as starters
not much wrong w/that helix blue, w/89a10's.
warrior1100, what rivets in what holes.
tofastSRX
New member
can i get a 54/44 helix from yamaha if so does anyone know the part #
warrior1100
New member
mopar1rules said:not much wrong w/that helix blue, w/89a10's.
warrior1100, what rivets in what holes.
INNER .8GR
OUTSIDE 4.7GR
mopar1rules
Active member
tofastSRX said:can i get a 54/44 helix from yamaha if so does anyone know the part #
yamaha doesn't offer this angle. you need to go aftermarket for this one.
mopar1rules
Active member
warrior1100 said:INNER .8GR
OUTSIDE 4.7GR
i would switch to red spring in secondary. could try w/w/w spring, and/or even add some weight to the inner hole. what do the rpms do from a dead start, to the end of the run?