Yamaha MX400 - Maintenance Specifications

2-4
SPEC
MAINTENANCE SPECIFICATIONS
Model name:
MZ400 MX400
Model code number:
7HSB 7HSJ
Crankshaft: mm (in)
Big end side clearance “A”
0.20–0.65 (0.008–0.026)
<Limit>
0.8 (0.0315)
Runout “B”
<Limit>
0.02 (0.0008)
Crank pin outside diameter “C”
35.969–35.984 (1.4161–1.4167)
<Limit>
35.90 (1.4134)
Crankshaft free play
0–0.2 (0.000–0.008)
Connecting rod: mm (in)
Small end diameter “A”
20.006–20.020 (0.7876–0.7882)
Oil clearance
0.006–0.025 (0.0002–0.0010)
Big end diameter “B”
36.000–36.015 (1.4173–1.4179)
Big end oil clearance
0.016–0.046 (0.0006–0.0018)
<Limit>
0.09 (0.0035)
Camshaft: mm (in)
Camshaft outside diameter
113.4–113.7 (4.465–4.476)
Camshaft lobe dimensions
“A” IN
32.5–32.6 (1.2795–1.2835)
<Limit>
32.3 (1.2717)
“A” EX
32.5–32.6 (1.2795–1.2835)
<Limit>
32.3 (1.2717)
“B” IN
26.0–26.1 (1.0236–1.0276)
<Limit>
25.8 (1.0157)
“B” EX
26.0–26.1 (1.0236–1.0276)
<Limit>
25.8 (1.0157)
Camshaft journal diameter
15.965–15.990 (0.6285–0.6295)
<Limit>
15.950 (0.628)