Yamaha YZ250: review, history, specs

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{{#seo: |keywords=yamaha, 250, yz, yz250, specs, history, review, video, images, manuals |description=Yamaha YZ250: history, specifications, images, videos, manuals. }} Class: motocross

Production: 1974+

Models
Yamaha YZ250

(steel frame, telescopic fork)

(Europe, North America)

1988

Yamaha YZ250

(+ inverted fork)

(Europe, North America)

1989

Yamaha YZ250

(+ aluminum frame)

(All markets)

2005

Yamaha YZ250 (1988)
Yamaha YZ250 (1989~)
Yamaha YZ250 (2005~)
Models
Yamaha YZ250

(+ petal brake discs)

(All markets)

2008

Yamaha YZ250

(+ front brake disc 250 → 270 mm)

(All markets)

2017+

Yamaha YZ250 (2008~)
Yamaha YZ250 (2017+)

History[edit | edit source]

History
Year Country Name / Frame / Engine
1974 USA Name: Yamaha YZ250

Code: YZ250A

1975 USA Name: Yamaha YZ250

Code: YZ250B

1979 USA Name: Yamaha YZ250

Code: YZ250F

1980 USA Name: Yamaha YZ250

Code: YZ250G

1981 USA Name: Yamaha YZ250

Code: YZ250H

1982 USA Name: Yamaha YZ250

Code: YZ250J

1983 USA Name: Yamaha YZ250

Code: YZ250K

1984 USA Name: Yamaha YZ250

Code: YZ250L

1985 USA Name: Yamaha YZ250

Code: YZ250N

1986 USA, Europe Name: Yamaha YZ250

Code: YZ250S, 1LU

1987 USA, Europe Name: Yamaha YZ250

Code: YZ250T, 2HH

1988 USA, Europe Name: Yamaha YZ250

Code: YZ250U, 2VM

1989 North America, Europe Name: Yamaha YZ250

Code: YZ250W, 3JE1, 3RB1

1990 All markets Name: Yamaha YZ250

Code: YZ250A, 3SP1, 3SP2, 3SP3, 3SP4

1991 All markets Name: Yamaha YZ250

Code: YZ250B1, 3XK1, 3XK2, 3XK3, 3XK4

1992 All markets Name: Yamaha YZ250

Code: YZ250D1, 4DA1, 4DA2, 4DA3, 4DA4

1993 All markets Name: Yamaha YZ250

Code: YZ250E, 4EW1, 4EW2, 4EW3, 4EW4

1994 All markets Name: Yamaha YZ250

Code: YZ250F1, 4JX1, 4JX2, 4JX3, 4JX4

1995 All markets Name: Yamaha YZ250

Code: YZ250G1, 4MX1, 4MX2, 4MX3, 4MX4

1996 All markets Name: Yamaha YZ250

Code: YZ250H1, 4SR1, 4SR2, 4SR3, 4SR4

1997 All markets Name: Yamaha YZ250

Code: YZ250J1, 4XL1, 4XL2, 4XL3, 4XL4

1998 All markets Name: Yamaha YZ250

Code: YZ250K1, 5DJ1, 5DJ2, 5DJ3, 5DJ4

1999 All markets Name: Yamaha YZ250

Code: YZ250L1, 5CU1, 5CU2, 5CU3, 5CU4

2000 All markets Name: Yamaha YZ250

Code: YZ250M1, 5HC1, 5HC2, 5HC3, 5HC4

2001 All markets Name: Yamaha YZ250

Code: YZ250N1, 5MW1, 5MW2, 5MW3, 5MW4

2002 All markets Name: Yamaha YZ250

Code: YZ250P, 5NX1, 5NX2, 5NX3, 5NX4

2003 All markets Name: Yamaha YZ250

Code: YZ250R, 5UP1, 5UP2, 5UP3, 5UP4

2004 All markets Name: Yamaha YZ250

Code: YZ250S1, 5XF1, 5XF2, 5XF3, 5XF4

2005 All markets Name: Yamaha YZ250

Code: YZ250T1, 1P81, 1P82, 1P83

2006 All markets Name: Yamaha YZ250

Code: YZ250V, 1P85, 1P86, 1P87, 1P88

2007 All markets Name: Yamaha YZ250

Code: YZ250W1, 1P89, 1P8A, 1P8B, 1P8C

2008 All markets Name: Yamaha YZ250

Code: YZ250X1, 1P8D, 1P8E, 1P8F, 1P8G

2009 All markets Name: Yamaha YZ250

Code: YZ250Y, 1P8H, 1P8J, 1P8K, 1P8L

2010 North America, Europe, Japan Name: Yamaha YZ250

Code: YZ250Z, 1P8N, 1P8M, 1P8P

2011 North America, Europe, Japan Name: Yamaha YZ250

Code: YZ250A1, 1P8S, 1P8T, 1P8U

2012 North America, Europe, Japan Name: Yamaha YZ250

Code: YZ250B2, 1SS1, 1SS2, 1SS3

2013 North America, Europe Name: Yamaha YZ250

Code: YZ250D2, 1SS5, 1SS6

2014 North America, Europe, Japan Name: Yamaha YZ250

Code: YZ250E2, 1SS9, 1SSA, 1SSB

2015 North America, Europe, Japan Name: Yamaha YZ250

Code: YZ250F2, 1SSD, 1SSE, 1SSF

2016 North America, Europe, Japan Name: Yamaha YZ250

Code: YZ250G2, 1SSH, 1SSJ, 1SSK

2017 North America, Europe, Japan Name: Yamaha YZ250

Code: YZ250H2, 1SSN, 1SSM, 1SSP

2018 North America, Europe, Japan Name: Yamaha YZ250

Code: YZ250J2, 1SSS, 1SST, 1SSU

2019 North America, Europe, Japan Name: Yamaha YZ250

Code: YZ250K2

Specifications[edit | edit source]

Yamaha YZ250 (2005+): specs.

Specifications
DIMENSIONS Overall length 2184 mm / 86,0 in
Overall width 827 mm / 32,6 in
Overall height 1309 mm / 51,5 in
Seat height 997 mm / 39,3 in

976 mm / 38,4 in – YZ250 (2015+)

Wheelbase 1481 mm / 58,3 in

1446 mm / 56,9 in – YZ250 (2015+)

Ground clearance 385 mm / 15,2 in

367 mm / 14,4 in – YZ250 (2015+)

Dry weight
Curb (wet) weight 103 kg / 227 lbs
FRAME Type Semi double cradle (aluminum)
Front suspension, travel 48 mm inverted telescopic fork (fully adjustable), 300 mm / 11,8 in
Rear suspension, travel Swingarm with mono-shock (fully adjustable), 315 mm /12,4 in
Front tire size 80/100-21 51M
Rear tire size 110/90-19 62M
Front brake Single disc, 250 mm, 2-piston caliper – YZ250 (to 2017)

Single disc, 270 mm, 2-piston caliper – YZ250 (2017+)

Rear brake Single disc, 245 mm, 1-piston caliper
Fuel capacity 8,0 l / 2,1 US gal
Trail 118 mm / 4,6 in

109 mm / 4,3 in – YZ250 (2015+)

Fuel economy
ENGINE Type Liquid-cooled 2-stroke
Cylinder arrangement Single cylinder
Bore & Stroke 66,4 x 72,0 mm
Displacement 249 cm³ (8,4 cu in)
Compression ratio 8.9~10.6:1

9.2~10.9:1 – YZ250 (to 2015, North America)

Valve train reed-valve inducted (YPVS)
Max. power 53,0 hp (38,9 kW) / 8000 rpm
Max. torque 49,0 Nm (5,0 kg-m) / 7500 rpm
0 to 100 km/h
Top speed
CARBURETION SYSTEM Type Carburetor, 1x Keihin PWK38S
ID
DRIVE TRAIN Clutch Wet, multi-plate
Transmission 5-speed
Final drive Chain
Primary reduction 3.000
Final reduction
Gear ratio

I

II

III

IV

V


1.929

1.533

1.278

1.091

0.952

ELECTRICAL Ignition CDI
Alternator A.C. magneto
Battery capacity

Images[edit | edit source]

Yamaha YZ250: images, gallery.

Yamaha YZ250
Yamaha YZ250
Yamaha YZ250

Videos[edit | edit source]

Yamaha YZ250: video.

2019 Yamaha YZ250 2 Stroke

Manuals[edit | edit source]

Yamaha YZ250: manuals, parts, microfiches.