Honda XR80R Service Manual

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LUBRICATION SYSTEM
INSPECTION
Tempo rari ly install the outer ~nd i nner rotors into
the oil pump body.
Install the oil p um ps shaft.
Measu re the t ip clearance between the inner and
OUHn rotors.
SERVICE LIMIT: 0. 20 mm 10. 00 8 in)
TIP CLEARANCE:
Measu re the pu m p body clearance betwee n the BO DY CLEARANCE:
oute r rOlor and pu mp body.
SER V ICE LIMIT: 0.40 mm 10.016 in )
Measure
tho side clearance us i ng a straight edge SIDE CLEARANCE:
and
feeler gauge.
SE RVIC E LIMIT: 0. 025 mm (0 .010 i n)
Remo ve the two bo lts and oil pu mp gear cover.
/
OIL PUMP GEAR COVER '
BOL
TS
4-~

Honda XR80R Specifications

General

Displacement	79cc
Compression Ratio	9.7:1
Fuel System	Carburetor
Ignition	CDI
Transmission	5-speed
Final Drive	Chain
Front Brake	Drum
Rear Brake	Drum
Front Tire	2.50-16
Rear Tire	3.00-14
Ground Clearance	9.1 inches
Engine Type	Air-cooled single-cylinder four-stroke
Bore x Stroke	47.5mm x 45mm
Rear Suspension	Single shock