SPL Crankshaft Assy (H-beam Connecting Rod) 41.4mm 12V Monkey

【KITACO 309-1123300 SPL Crankshaft ASSY (H-beam Connecting Rod) 41.4mm 12 Monkey KITACO 309-1123300】
This is a reinforced crankshaft with a 41.4mm normal stroke, developed for TRA-SE and DOHC 88cc big bore kits.
It significantly enhances durability and reduces friction loss through features such as an H-beam connecting rod, an axe-shaped knife-edge crank web, and an enlarged crankpin.
Additionally, it achieves a weight reduction of approximately 100g compared to the stock crankshaft.
As the dynamic balance is set for Kitaco's ULTRA-SE and DOHC 88cc pistons, use with other pistons is not recommended.
Oil pump spindle
Ultra-high-speed precision bearings and timing gears are pre-installed.
Please ensure to confirm the displacement, vehicle model, and year before purchasing. Especially for Monkey and Super Cub series crankshafts, the shape varies depending on the vehicle model and year.
When installing a stroker crankshaft, always check the shape of the oil pump spindle.
Depending on the shape, it may interfere with the crankshaft, making installation impossible.
If necessary, please purchase a separate spindle.
Compatible models: Monkey/Gorilla (Z50J-20000001-/AB27-1000001-1899999)
Monkey Baja
XR50R/CRF50F (AE03)
XR70R/CRF70F (DE02)
*Images are for illustration purposes only, and the design and specifications of the products shown are subject to change without notice. Thank you for your understanding.