Yamaha MX360 - Page 145

MAINTENANCE SPECIFICATIONS
7-5
1
2
3
4
5
6
7
8
9
10
SPECIFICATIONS
Valve seat contact width
(Exhaust)
0.7–0.9 mm (0.0276–0.0354 in)
Limit (Intake) 1.4 mm (0.0551 in)
Limit (Exhaust) 1.4 mm (0.0551 in)
Valve stem runout limit 0.01 mm (0.0004 in)
Valve guide:
Guide inside diameter (Intake) 6.000–6.012 mm (0.2362–0.2367 in)
Guide inside diameter (Exhaust) 6.000–6.012 mm (0.2362–0.2367 in)
Stem to guide clearance (Intake) 0.049–0.052 mm (0.0015–0.0025 in)
Limit (Intake) 0.08 mm (0.00031 in)
Stem to guide clearance
(Exha
ust)
0.057–0.072 mm (0.0018–0.0028 in)
Limit (Exhaust) 0.10 mm (0.0039 in)
Valve clearance (cold)
Intake 0.05–0.09 mm (0.0020–0.0035 in)
Exhaust 0.05–0.09 mm (0.0020–0.0035 in)
Push rod:
Runout limit 0.15 mm (0.0059 in)
Valve spring:
Valve spring free length (Intake) 36.2 mm (1.4252 in)
Valve spring free length
(Exha
ust)
36.2 mm (1.4252 in)
Limit (Intake) 34.39 mm (1.3539 in)
Limit (Exhaust) 34.39 mm (1.3539 in)
Installed length (Intake) 29.0 mm (1.1417 in)
Installed length (Exhaust) 29.0 mm (1.1417 in)
Installed compression spring
f
orce (Intake)
91.20–104.93 N (9.3–10.7 kgf, 20.50–23.59 lbf)
Installed compression spring
force (Exhaust)
91.20–104.93 N (9.3–10.7 kgf, 20.50–23.59 lbf)
Tilt limit 1.7 mm (0.0669 in)
Carburetor:
I.D. mark 7HC00 (MZ360)
7HC10 (MZ360)
7HC10 (MX360)
7HC21 (MX360)
7HSB0 (MZ400)
Bore size ø26 (MZ360)
ø30.4 (MX360/MZ400)
Main jet #105 (MZ360)
#1.21 (MX360)
#1.23 (MZ400)