*Please confirm the crankshaft shape drawing on the detailed drawing or the target frame NO. before purchasing. *When replacing the crankshaft, special tools are required to disassemble the engine. *Depending on the lot, the product may be delivered with the old price and label with the old JAN code before the price change.
■Details This reinforced crankshaft is ideal for the SP Takegawa 88cc bored up engine that uses a stock crankshaft.41.4mm stock stroke specification. X-shaped connecting rods Forging material is machined, and an X-shaped cross section is adopted.It is lightweight and strong enough, and its buckling stress diffusion and torsional rigidity are greatly improved.Surface shot finish. Strengthening the Journal Department A special bearing with a larger inner diameter is used for the crankshaft journal bearing.As a result, the shaft diameter of the journal section, where the stress on the crankshaft is concentrated, can be increased from 20mm to 22mm to increase the strength of the shaft. Increased crank pin size The crank pin of the large end is enlarged from stock Φ23.1 to Φ25.1 to increase the strength of the large end part.
■It can be used as a substitute for the discontinued HONDA stock crankshaft Stock Honda crankshafts for older models such as the 6V Monkey / Gorilla / Chaly / DAX50 / CD50 have been discontinued. SP Takegawa has various types of crankshafts for old type vehicles to replace the discontinued crankshafts. It can be used to restore older vehicles and greatly increase the durability of engines.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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