Product Information "Racing Crankshaft 85ccm-105ccm, 90mm Connecting Rod - for Simson S70, SR80, S83"
Racing Crankshaft 85ccm - 105ccm Our new racing crankshafts in full cheek construction are currently the best crankshafts for your Simson engine. In the completely newly manufactured crankshaft, we were able to realize many constructive advantages compared to a subsequently converted Simson crankshaft. The 1 mm wider crank cheeks provide the basis for optimal balancing and higher rigidity (stronger press fit). With the help of the pressed-in aluminum plugs and the lighter connecting rod, the balancing is adjusted to our S85 piston. This results in a low-vibration engine run, increased revving ability, and longer bearing life. For the lower bearing, we use a high-quality, silver-plated needle bearing (13 mm wide) with silver-plated thrust washers. This allows the upper thrust washers in the piston to be omitted and a 16 mm wide needle bearing to be accommodated. Technical Data: - Connecting rod length 90mm - Wider crank cheeks (each cheek +1 mm) - Wider and stronger press fit of the crank pin - Lower guided, lightened connecting rod with additional lubrication grooves - Wide, silver-plated needle bearing (13 mm) + silver-plated thrust washers on the crank pin - Wide upper needle bearing (16 mm) - Balancing optimal for our S85 piston - Reduction of crankcase dead volume Scope of Delivery: - ZT racing crankshaft with 44 mm stroke - 16mm needle bearing for piston pin - Woodruff key for ignition + clutch
Product Details
Key features & properties
Baugruppe
Motor & -teile
Hub in mm
44
Passend für Fahrzeughersteller
Simson
Passend für Fahrzeugtyp
S70
, S83
, SR80
Pleuellänge in mm
90
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