2. GENERAL INFORMATION ZX / SCOUT 50
SERVICE INFORMATION
ENGINE Standard (mm) Service Limit (mm)
Item SC10AS SC10AS
Cylinder head warpage 0.10
Piston O.D.(5mm from bottom of piston skirt) 38.95538.970 38.90
Cylinder-to- piston clearance 0.10
Piston pin hole I.D. 12.00212.008 12.03
Piston pin O.D. 11.99412.0 11.98
Piston-to-piston pin clearance
Piston ring end gap (top/second) 0.100.25 0.40
Connecting rod small end I.D. 17.00517.017 17.03
Cylinder bore 39.039.025 39.05
Drive belt width 18 17
Drive pulley collar O.D. 20.0120.025
Movable drive face ID. 20.03520.085 19.97
Weight roller O.D. 13.0 12.4
Clutch outer I.D. 107107.2 107.5
Driven face spring free length 87.9 82.6
Driven face O.D.
Movable driven face I.D.
Connecting rod big end side clearance
Connecting rod big end radial clearance
Crankshaft runout A/B
CARBURETOR SC10AS
Venturi dia. 14mm
Identification number 014A
Float level 5.0mm
Main jet #80
Slow jet #35
Air screw opening 1
Idle speed 2100100rpm
Throttle grip free play 26mm
Jet needle clip notch 1st notch
2-6