DR R225 - Specifications

22 DR
®
R225, R300 and R390 Engines
X. Specifications
Model R225 R300 R390
L×W×H
Manual Start
15.4x 12.6x14.2 in.
(390×320×360mm)
Electric Start
17.9x12.6x14.2 in.
(455×320×360mm)
Manual Start
18.1x15.4x17.7 in.
(460×390×450mm)
Electric Start
20.5x15.4x17.7 in.
(520×390×450mm)
Manual Start
18.9x15.4x18.1 in.
(480×390×460mm)
Electric Start
21.3x15.4x18.1 in.
(540×390×460mm)
Dry Weight
Manual Start – 57.3 lb. (16kg)
Electric Start – 40.6 ib. (18.4kg)
57.3 lb. (26kg) 70.5 lb. (32kg)
Gasoline Engine Type
4-Stroke, OHV, Single Cylinder 4-Stroke, OHV, Single
Cylinder
4-Stroke, OHV, Single
Cylinder
Displacement
223ml 301ml 389ml
Compression Ratio
8.4:1 8.2:1 8.0:1
Bore × Stroke
70×58mm 80×60mm 88×64mm
Maximum Output Power
4.3kW
3,600r/min
6.0kW
3,600r/min
7.6kW
3,600r/min
Maximum Torque
13N·m
2,500r/min
18N·m
2,500r/min
23N·m
2,500r/min
Cooling System
Forced Air-cooled Forced Air-Cooled Forced Air-Cooled
Ignition System
Transistorized Magneto Ignition
(TCI)
Transistorized Magneto
Ignition(TCI)
Transistorized Magneto
Ignition(TCI)
Spark Plug
BP6ES(NGK)/F6RTC(NHSP)/F6TC/
F7RTC/F7TC
F6TC BP6ES (NGK) / F6RTC
(NHSP)
Spark Plug Clearance
.028"-.032" (0.7- 0.8mm) .028"-.032" (0.7- 0.8mm) .028"-.032" (0.7- 0.8mm)
Lubrication System
Forced Splash Forced Splash Forced Splash
PTO Shaft Rotation
Counterclockwise Counterclockwise Counterclockwise