Yamaha YZ250 2021 User Manual

ENGINE
3-7
5. Drain:
• Transmission oil
6. Install:
• Aluminum washer
• Oil drain bolt
7. Fill:
• Transmission oil
8. Check:
• Oil leakage
9. Check:
• Transmission oil level
10.Install:
• Oil filler cap
EAM30216
ADJUSTING THE CLUTCH LEVER FREE
PLAY
1. Check:
• Clutch lever free play “a”
Out of specification  Regulate.
2. Adjust:
• Clutch lever free play
Handlebar side
a. Turn the adjuster “1” until the specified
clutch lever free play is obtained.
TIP
If the clutch lever free play cannot be obtained
on the handlebar side, use the adjuster on the
clutch cable side.
Clutch cable side
a. Slide the clutch cable cover.
b. Loosen the locknut “1”.
c. Turn the adjuster “2” until the specified
clutch lever free play is obtained.
d. Tighten the locknut “1”.
e. Return the clutch cable cover to its original
position.
Oil drain bolt
23 N·m (2.3 kgf·m, 17 lb·ft)
Type
Motor oil SAE 10W-40 type SG or
higher
Quantity (disassembled)
0.80 L (0.85 US qt, 0.70 Imp.qt)
Quantity
0.75 L (0.79 US qt, 0.66 Imp.qt)
Clutch lever free play
7.0–12.0 mm (0.28–0.47 in)
New
T
R
.
.
Locknut (clutch cable side)
4.3 N·m (0.43 kgf·m, 3.2 lb·ft)
a
G088887
T
R
.
.

Yamaha YZ250 2021 Specifications

General

Engine Type	249cc liquid-cooled 2-stroke; reed-valve inducted
Bore x Stroke	66.4mm x 72.0mm
Compression Ratio	8.9~10.6:1
Ignition	CDI
Transmission	5-speed; multiplate wet clutch
Final Drive	Chain
Suspension Rear	KYB® single shock; fully adjustable, 12.4-in travel
Brakes Front	Hydraulic disc, 270mm
Tires Front	80/100-21
Tires Rear	110/90-19
Width	32.5 in
Height	50.8 in
Wheelbase	58.5 in
Ground Clearance	14.2 in
Fuel Capacity	2.1 gal
Wet Weight	227 lb
Fuel Delivery	Keihin PWK38S carburetor
Suspension Front	KYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
Brakes Rear	Hydraulic disc, 245mm