Honda CM400A - Page 105

HONDA
CB4OOT
SPECIFICATIONS
I Main journal oil clearance 1 0.020-0.044 mm (0.0008-0.0017 in.) I 0.08 mm (0.003 in.) I
Crankshaft
I Runout I 1 0.05 mm (0.002 in.) I
SERVICE LIMIT
18.04 mm (0.710 in.)
17.95 mm (0.707 in.)
0.08 mm (0.003 in.)
STANDARD
18.010-18.028 mm (0.7090-0.7098 in.)
17.966-17.984 mm (0.7073-0.7080 in.)
Balancer
Connecting rod big end side clearance
Crankpin oil clearance
TROBLESHOOTING
I.D.
Shaft O.D.
Balancer-to-shaft clearance
Electric
starter gear
Excessive Noise
1. Crankshaft
- Worn main journal bearing
- Worn crankpin bearing
2. Balancer
- Improper timing adjustment
- Improper chain adjustment
- Damaged chain
0.05--0.25
mm (0.002-0.010 in.)
0.020-0.044 mm (0.0008-0.0017 in.)
10-2
Date of Issue: September. 1977
O HONDA MOTOR CO.. LID.
0.35 mm (0.014 in.)
0.08 mm (0.003 in.)
Drive gear O.D.
idle gear-to-shaft clearance
54.170-54.200