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Engine Specifications
displacement
111.8 cu-in (1,832 cm
3
)
bore & stroke 2.91 × 2.80 in (74.0 mm × 71.0 mm)
compression ratio 9.8 : 1
spark plug
(standard)
BKR6E-11 (NGK) or
K20PR-U11 (DENSO)
spark plug (cold
cl
imate)
BKR5E-11 (NGK) or
K16PR-U11 (DENSO)
spark plug (high
speed riding)
BKR7E-11 (NGK) or
K22PR-U11 (DENSO)
valve clearance
(cold)
intake 0.006 in (0.15 mm)
exhaust 0.009 in (0.22 mm)
spark plug gap 0.039 – 0.043 in (1.00 – 1.10 mm)
idle speed 700 ± 70 rpm (No adjustment)
Power Transmission
primary reduction 1.591
secondary reduction 1.028
final reduction 2.750
gear ratio, 1st 2.375
2nd 1.454
3rd 1.068
4th 0.843
OD 0.685
final drive shaft
256
Technical Information
Specifications
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