Yamaha TMAX 2020 Service Manual

5-75
CRANKSHAFT
EAS30415
REMOVING THE CONNECTING RODS
The following procedure applies to all of the con-
necting rods.
1. Remove:
• Connecting rod cap “1”
• Connecting rod “2”
• Big end bearing
TIP
Identify the position of each big end bearing so
that it can be reinstalled in its original place.
EAS30419
REMOVING THE CRANKSHAFT JOURNAL
BEARINGS
The following procedure applies to both of the
crankshaft journal bearings.
1. Remove:
• Crankshaft assembly
• Crankshaft journal bearing “1”
TIP
Remove the crankshaft journal bearing using the
plane bearing installer “2”.
TIP
Identify the position of each crankshaft journal
bearing so that it can be reinstalled in its original
place.
EAS30423
CHECKING THE CRANKSHAFT AND
CONNECTING RODS
1. Measure:
• Crankshaft runout
Out of specification  Replace the crank-
shaft.
2. Check:
• Crankshaft journal surface
• Crankshaft pin surface
• Bearing surface
Scratches/wear  Replace the crankshaft.
Plane bearing installer
90890-04139
1
2
Runout limit
0.030 mm (0.0012 in)

Yamaha TMAX 2020 Specifications

General

Displacement	562cc
Bore x Stroke	70.0 mm x 73.0 mm
Compression Ratio	10.9:1
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	V-Belt Automatic
Rear Suspension	Swingarm
Front Brake	Hydraulic dual disc, Ø267 mm
Rear Brake	Hydraulic single disc, Ø282 mm
Front Tyre	120/70R15M/C 56H
Rear Tyre	160/60R15M/C 67H
Overall Length	2, 200 mm
Overall Width	765 mm
Seat Height	800 mm
Wheelbase	1, 575 mm
Wet Weight	218 kg
Fuel Tank Capacity	15 litres
Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valve
Maximum Torque	55.7 Nm @ 5, 250 rpm
Front Suspension	Telescopic fork
Overall Height	1, 420mm