Periodic maintenance an d a djustment
7-4
7
23 *Front fork  Check operation and for oil leakage.
 Adjust if necessary.
 Clean dust seal and lubricate with
lithium-soap-based grease.
 Replace fork oil.
 Replace oil seals. Replace protector seal.
NO. ITEM ROUTINE
After
break-in
Everyrace
Every
third race
Every
fifth race
As
required
 Check coolant level and for leakage.
17 *
Cooling system  Check hoses for cracks or damage. Check radiator cap spring operation. Change coolant.
Every 2 years
Every year Check all chassis fitting and fasteners.
18
*Chassis fasteners
 Correct or tighten if necessary.
19Air filter element Clean. Replace.
20 *Frame  Clean and check for damage.
21
*Fuel line   Clean and check for leakage.
22 *
Brakes  Adjust lever position and pedal height.
 Lubricate pivot points.
 Check brake disk surface.
 Check fluid level and for leakage.
 Tighten brake disk bolts, caliper bolts,
master cylinder bolts and union bolts.
 Replace brake pads.
 Replace brake fluid.
UBR882E0.book  Page 4  Wednesd ay, February 26, 2020  11:39 AM 
Specifications
9-1
9
Dimensions:
Overall length:1615 mm (63.6 in)
Overall width:
760 mm (29.9 in)
Overall height: 1000 mm (39.4 in)
Seat height: 755 mm (29.7 in)
Wheelbase:
1140 mm (44.9 in)
Ground clearance: 265 mm (10.43 in)
Wei ght:
Curb weight:
61 kg (134 lb)
Maximum rider weight:
50.0 kg (110 lb)
Engine:
Combustion cycle:
2-stroke
Cooling system:
Liquid cooled
Number of cylinders: Single cylinder
Displacement: 65 cm³
Bore  × stroke:
43.5  × 43.6 mm (1.71 ×  1.72 in)
Starting system: Kickstarter
Engine oil:
Engine oil:
YAMALUBE 2R
Recommended brand:
Transmission oil:
Type: Motor oil SAE 10W-30 type SE or higher or 
Gear oil SAE 85W GL-3
Quantity: 0.50 L (0.53 US qt, 0.44 Imp.qt)
Coolant quantity:
Radiator (including all routes):
0.38 L (0.40 US qt, 0.33 Imp.qt)
Fuel:
Recommended fuel:Unleaded gasoline (E10 acceptable)
Octane number (RON):
98
Fuel tank capacity: 3.5 L (0.9 US gal, 0.8 Imp.gal)
Car buretor:
Type  × quantity:
PWK28  × 1
Drivetrain:
Gear ratio:
1st:
2.455 (27/11)
2nd: 1.882 (32/17)
3rd: 1.529 (26/17)
4th:
1.263 (24/19)
5th: 1.095 (23/21)
6th: 0.960 (24/25)
Front tire:
Type:With tube
Size: 60/100-14 30M
Manufacturer/model:
MAXXIS/MAXXCROSS SI
Rear tire:
Type:With tube
Size:
80/100-12 41M
Manufacturer/model: MAXXIS/MAXXCROSS SI
Front  brake:
Type:
Hydraulic single disc brake
Rear  brake:
Type:
Hydraulic single disc brake
Front suspension:
Type:Telescopic fork
Rear suspension:
Type:
Swingarm
UBR882E0.book  Page 1  Wednesd ay, February 26, 2020  11:39 AM