Crankcase/Clutch/Actuating Lever; Preparation Data - Generic Trigger X 50ccm Owner's Manual

12 Crankcase/clutch/actuating lever

Preparation data ----------------12.1

Fault diagnosis -----------------12.2
Crankcase -----------------------12.3
Clutch ---------------------------12.4
Actuating lever -----------------12.5
12.1 Preparation data
Matters needing attention in operation
Since the crankcase is a thin-section casting, please avoid impact on it during operation in case there is any
distortion or rupture.
All parts should be cleaned before inspection and test and should be blow dry with high pressure air.
Before operation, discharge the lubricating oil in the crankcase.
Function of the crankcase：the bearing part of the engine.
crankshaft, clutch, gearbox, cylinder body as well as the cylinder cover and bearing bursting impact of
combustion and movement inertia force of crankshaft connecting rod system and constituting some closed
（oil, air seal) space. The crankcase has a hanging hole which links the engine and the frame with other parts
by connecting with the hanging hole.
Preparation reference
Item
clearance of connecting
rod big end in right and left
axial clearance of
Crankshaft
connecting rod big end in
Thickness of wearing plate
Clutch
Length of pressure spring
Bore diameter of shift fork
Thickness of shift fork
Shift
Outer diameter of shift drum
mechanism
Locked groove width of shift
Tools
Multiple use fixer
Driver's perch
Guide rod
direction
vertical angle
vibration
drum
Clutch spring compressors
Box spanner
Bearing driver
Its primary function is supporting the
Standard value
0.1-0.35
0-0.008
2.9-3
29.4-30.6
7.825-7.845
3.95-4.05
41.8-42
6.05-6.15
- 96 -
Unit：mm
Allowable limit
0.55
0.05
0.1
2.6
29.0
7.91
3.9
41.75
6.3