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176 Technical Information
Specifications
Engine Specifications
displacement
76.9 cu-in (1,261 cm
3
)
bore & stroke 3.07 × 2.60 in (78.0 mm × 66.0 mm)
compression ratio 10.8 : 1
spark plug
(standard)
CR7EH-9 (NGK) or
U22FER9 (DENSO)
spark plug (high
speed riding)
CR8EH-9 (NGK) or
U24FER9 (DENSO)
valve clearance
(cold)
intake 0.006 in (0.16 mm)
exhaust 0.010 in (0.25 mm)
spark plug gap 0.031 – 0.035 in (0.80 – 0.90 mm)
idle speed 1,000 ± 100 rpm
Power Transmission
primary reduction 1.785
secondary reduction 0.925
final reduction 2.833
gear ratio, 1st 2.571
2nd 1.722
3rd 1.285
4th 1.041
5th 0.862
final drive shaft
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