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Technical Information
177
Specifications
Engine Specifications
displacement 14.0 cu-in (229 cm
3
)
bore & stroke
2.70 × 2.45 in (68.5 × 62.2 mm)
compression ratio 9.2 : 1
spark plug
(standard)
DPR8EA-9 (NGK) or
X24EPR-U9 (DENSO)
spark plug
(cold climate)
DPR7EA-9 (NGK) or
X22EPR-U9 (DENSO)
spark plug
(high speed
riding)
DPR9EA-9 (NGK) or
X27EPR-U9 (DENSO)
spark plug gap 0.03 – 0.04 in (0.8 – 0.9 mm)
valve clearance
(cold)
intake: 0.005 ± 0.001 in
(0.13 ± 0.02 mm)
exhaust: 0.005 ± 0.001 in
(0.13 ± 0.02 mm)
idle speed 1,400 ± 100 rpm
Power Transmission
primary reduction 3.086
final reduction 3.692
gear ratio
1st 3.231
2nd 2.167
3rd 1.667
4th 1.280
5th 1.042
reverse 5.550
final drive shaft
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