The Stage6 HPC (high primary compression) crankshaft is a full-circle crankshaft, and as such increases primary compression in the crankcase. It has been developed in cooperation with F. Koopmans and is completely made of metal (i.e. no plastic padding). The bearings can handle up to 16,000 rpm! Made in Italy.
Attention: Please check the variator-side crankshaft end before ordering - this crankshaft has a 16mm end and a 12mm small end bearing!
Stage6 Full circle HPC racing crankshaft for the 2002-2011 Yamaha Zuma
Increases primary compression in the crankcase and is manufactured completely from metal, no plastic inserts.
Recommended for sport and midrace cylinders.
Connecting rod is set up for pistons with a 12mm wrist pin.
Fits: The Keeway Fact Matrix and the models below
ADLY (HER CHEE) |
AirTech 50cc |
Blizzard GTA 50cc |
Cat 50cc |
Jet 50cc |
Noble 50cc |
Panther 50cc |
Silver Fox 50cc |
Super Sonic 50cc |
TB 50cc AC |
Thunderbike 50cc |
BAOTIAN |
BT50QT-28B 2-stroke |
CPI |
Aragon 50cc |
Aragon GP 50cc |
Bravo 50cc |
Formular R 50cc |
Freaky 50cc |
GTR 50cc LC - Minarelli horiz. |
Hussar 50cc AC (after 2003) - Min horiz. (pin 12mm) |
Oliver 50cc AC (after 2003) - Min horiz. (pin 12mm) |
Popcorn 50c AC (after 2003) - Min horiz. (pin 12mm) |
GENERIC |
Cracker 50cc |
Ideo 50cc AC |
Race 50cc 2-stroke |
Roc 50cc |
Spin GE 50cc |
Stroke 50cc |
XOR 50cc AC |
KREIDLER |
Florett 50cc AC |
Flory 50cc AC |
MALAGUTI |
F10 Wap 50cc AC (after 2004) |
F12 Phantom 50cc AC (after 2004) |
F12 Phantom 50cc LC (after 2004) |