Quote:
Originally Posted by IDAHOSPUD
I want to put in heavier fork springs in my 09 ec300. Sachs 48. What is the crossover spring size for sachs. some say, 05 yz450f, and indeed those springs match the dimensions very close.
race tech shows:
FRSP 444650 RT FRK SPR 44.0x460mm .50kg Length=460mm outside diameter=44.0mm
FRSP 444750 RT FRK SPR 43.6x472mm .50kg Length=472mm outside diameter=43.6mm (this is the yz450f spring)
The stock Sachs Spring is 43.3 O.D. x 460 mm long.
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How much heavier? Are you trying to go all the way to 0.50?
I have a set of 0.44s for sale that have about 6 hours on them.