
5
STRATO CHARGED ENGINE
GZ25N
2. SPECIFICATIONS AND TECHNICAL DATA
Item
Unit
Specifications
Remarks
Engine GZ25N
Engine Type
Air cooled 2-stroke single cylinder
piston valve gasoline engine
Cylinder Bore x Stroke
mm (in.)
ø34 x 28 (1.339 x 1.102)
Displacement
cc (cu.in.)
25.4 (1.6)
Effective Compression Ratio
8.0
Fuel
Mixture of 87 octane or above unleaded Use JASO FC
gasoline and RedMax 2-cycle engine oil or ISO EDG
(ratio 50 :1) or quality oil for air cooled grade 2-cycle
2-cycle engines (ratio 32:1).
engine oil.
Carburetor
Type
Diaphragm Rotary valve
Model
Walbro WYA-1B
Starting Method
Recoil starter
Ignition System
CDI with automatic timing advance
system.
Ignition Timing
°
/ rpm
35 / 7000
Spark Plug
NGK CMR7A
Stopping Method
Primary coil short-circuiting
Cooling System
Forced Air Cooling
Air Cleaner
Dry Type
Output Axle Rotation Direction
Counterclockwise
(View from
PTO)
Clutch Type
Automatic Centrifugal Clutch
(Sintered Clutch Shoe)
Overall Size
Engine GZ25N for
Engine GZ25N2 for
exept SGCZ2500S
SGCZ2500S
Length
mm (in.)
271 (10.67)
188 (7.40)
Width
mm (in.)
223 (8.78)
223 (8.78)
Height
mm (in.)
248
(
9.76
)
248
(
9.76
)
Dry Weight
kg (lbs.)
3.1
(
6.8
)
2.8
(
6.2
)
Fuel tank Capacity
lit. (fl,oz)
0.65
(
22.0
)
Operating Speed
rpm
6000 10000
Idling Speed
rpm
3000
±
200
Clutch Engagement Speed
rpm
4000
±
200
No-Load Max Speed
rpm
10000
With Standard
Head
Max Output
HP(kW) / rpm
1.2 (0.9) / 7500
Max Torque
kg•m(in.lbs) / rpm
0.12 (10.4) / 6500
Full Load Fuel Consumption
g/HP.h(g/kW.h)
330 (449)