
8
STRATO CHARGED ENGINE
GZ25N
4-2 Carburetor
4-3 Ignition System
4-5 Sealant and Lubricant Specifications
Carburetor WYA-1B
Metering Lever set. mm.(in.)
1.5 (0.059)
±
0.16 (
±
0.006)
Vanier
Inlet valve opening pressure. kg/cm
2
(p.s.i)
1.5 (21.3)
±
0.5 (
±
7.1)
Leak Tester
Inlet valve reseating pressure. kg/cm
2
(p.s.i)
0.9 (12.8)
±
0.5 (
±
7.1)
Leak Tester
Remarks
Maintenance Item
Standards
Limit
Measuring
instrument
4-4 Fastening Specifications
Electric parts
Spark plug air gap. mm.(in.)
0.6 0.7
0.7 (0.028)
Vanier
(0.025 0.028)
Ignition coil air gap. mm.(in.)
0.3 (0.012)
0.4 (0.016)
Air gap gauge
Ibnition coil resistance
Primary side Ohm
2300
Volt
Meter
Reading between primary terminal
and iron core.
Secondary side Ohm
1100
Volt
Meter
Reading between high tension
terminal and iron core.
Remarks
Maintenance Item
Standards
Limit
Measuring
instrument
AREA
MATERIAL TO BE APPLIED
Recoil spring
Grease
Reel center hub
Grease
Recoil Starter:
AREA
MATERIAL TO BE APPLIED
Sliding portion
Grease
of screw.
Clutch:
AREA
MATERIAL TO BE APPLIED
Oil seal lip
Grease
Piston sliding area
2-cycle oil
Main bearing
2-cycle oil
Piston pin bearing
2-cycle oil
Crank pin bearing
2-cycle oil
Engine Block:
4. MAINTENANCE SPECIFICATIONS
Standard fix torque
Carburetor Fix Bol
M5 (P=0.8)
38(33)
30(26) 45(39)
Insulator Fix Bolt
M5 (P=0.8)
45(39)
40(35) 55(48)
Clutch
M5 (P=1.0)
65(56)
50(43) 80(69)
Rotor Fix Nut
M8 (P=1.0)
130(112)
100(87) 150(130)
Cylinder Fix Bolt
M5 (P=0.8)
70(61)
60(52) 80(69)
Crankcase Fix Bolt
M5 (P=0.8)
65(56)
50(43) 80(69)
Grass Guard Fix Bolt
M5 (P=0.8)
38(33)
30(26) 45(39)
Spark Plug
M10 (P=1.0)
110(96)
100(87) 120(104)
Muffler Fix Bolt
M5 (P=0.8)
90(78)
70(61) 100(87)
Engine Cover Fix Bolt
M5 (P=0.8)
38(33)
30(26) 45(39)
Fan Cover Fix Bolt
M5 (P=0.8)
38(33)
30(26) 45(39)
Ignition Coil Fix Bol
M4 (P=0.7)
33(29)
25(22) 40(35)
Recoil Starter Fix Bolt
M5 (P=0.8)
38(33)
30(26) 45(39)
Recoil Pulley
M8 (P=1.25)
90(78)
80(69) 100(87)
Fuel Tank Fix Bolt
M5 (P=0.8)
38(33)
30(26) 45(39)
Common fixing torque
Tapping Screw
TP4.3
10 (9)
7(6) 15(13)
TP5.4
25(22)
20(17) 30(26)
Screw Lock Agent
Fixing Components
Screw Size
Fixing torque
Target
Tolerance
Unit : kg
.
cm(in.lbs)