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  MUST machine both side of crankcase & cylinder sleeves, install 52.6mm Stroker Crankshaft in order to upgrade this 121cc kit, incl. famous RIKEN, Japan excellent quality Piston Rings, maximum size without welding cases within safety range. We strongly recommend you send engine blocks to us for professional processing, 32mm+ Racing Pipe is highly recommend for best performance, must upgrade transmission, exhaust, intake, carb, & gear... etc., replacement Piston Kit (Dio, 54mm) is also available.

AERO (NE50), Elite S (SA50), Elite R (SE50) with AF16E engine must replace Dio AF18E Crank & Pipe when install this kit!

Original size: ø39.0mm x41.4 (49cc)
Cylinder ID: ø54.0mm (NOT fits Stock Crankshaft)
Cylinder OD: ø57.5mm
Cylinder H: 76.0mm
Cylinder Head ID: ø54.0mm
Wrist Pin OD: ø12.0mm (Stock)
Exhaust ID: ø32.0mm
52.6mm Stroker Crank: ø54.0mm x52.6 (121cc)

1. Cylinder Head x1
2. Cylinder x1
3. FJN Piston x1
4. RIK Piston Ring x3
5. Ping x1
6. G-Ring x2
7. Gasket x2
8. Stud x4
9. Nut x4
• Uploaded: 2012.09.27 by Wayne
Product : Racing Big Bore Cylinder Kit (Dio AF18, 121cc)
Stock No : 1211A-GW0-K540
Fit Model : HONDA Dio /-SP /-SR, Super Dio /-Fit /-SR /-ZX /-Baja, DJ1-RR, G, Giorno, Joker / Shadow, Tact S / Elite S (SK50).
KYMCO Manboy / ZX 50, Refined / DJ, Fever.
SYM Dio, DD 50 / Jolie / Arnada, Fiddle 50.
Sold-Out! Needs 5~7 days after order.
Related Tags: DD, Fever, Super Dio, LEAD1, Tact, ENGINE
Price : USD $159.00
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