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Yamaha Grizzly Parts & Specs

What do you get when you shove a 600cc thumper into a 4X4 ATV chassis? Well the answer to that is an exciting new sub-genre of super powered mud machines. Until the introduction of the 1998 Yamaha Grizzly 600 there were only two options of Grizzlys, a 250cc or 350cc. These smaller quads wouldn't stand a chance against todays massive mud machines. Being the first large ATV created a cult like following for the Grizzly 600, and it remains one of the most popular ATV's on the trails today. Yamaha used the Ultramatic transmission as the method of power transfer for the  Grizzly. Belt driven CVT transmissions are common on most ATV’s nowadays but the Engine Compression Braking was something new in 1998. Yamaha created a new clutch system that allowed the rider to use the  torque from the motor to slow the ATV on steep downhills instead of burning up the brake pads. To keep the sport side of the Sport Utility crowd happy Yamaha installed an electronic On-Command four wheel drive button. This little button allowed the rider to use the Grizzly like a sport ATV with quick and light steering. 

Yamaha Grizzly Green

grizzly

With the rise in popularity for Mud-Bogging ATV's, tires have dramatically increased in size and aggressiveness. With tires available in up to 32" with 2.5" of tread controlling the Supersize ATV's has become quite a chore. In 2007 Yamaha introduced the Grizzly 700 with the first available (EPS) Electronic Power Steering so you could steer oversized tires without having to bench-press 400lbs.

 

Q. How Do you know what Yamaha Grizzly to select when ordering my parts and what do all those letters mean?

A. Yamaha uses the prefix YFM for most of the ATV's followed by the engine size, 2x4 or 4x4 ,model name (Grizzly, Bear Tracker Bruin), rear suspension type (straight axle, IRS), production year and color of fenders.

Using the 2009 Grizzly 350 models we can break down the model number to show what each of the letters in the Model number represent and some common differences.

GRIZZLY 350 2x4 (YFM35GYGR)

YFM = Yamaha ATV

35 = 350cc engine

G = Grizzly

Y = 2009 Production Year

GR = Green

GRIZZLY 350 4x4 (YFM35FGYGR)

YFM = Yamaha ATV

35 = 350cc engine

F = 4 Wheel Drive

G = Grizzly

Y = 2009 Production Year

GR = Green

GRIZZLY 350 IRS 4x4 (YFM35FGIYG)

 YFM = Yamaha ATV

35 = 350cc engine

F = 4 Wheel Drive

G = Grizzly

I = Independent Rear Suspension

Y = 2009 Production Year

GR = Green

Yamaha Grizzly Models 

YFM80G = Grizzly 80

YFM125G = Grizzly 125

YFM30G = Grizzly 300

YFM35G = Grizzly 350 2X4

YFM35FG = Grizzly 350 4X4

YFM35FGI = Grizzly 350 4X4 Independent Rear Suspension

YFM45FG = Grizzly 450 

YFM5FG = Grizzly 550

YFM600F = Grizzly 600

YFM660F = Grizzly 660 

YFM66F = Grizzly 660

YFM7FG = Grizzly 700

Yamaha Grizzly Color Reference

B = Black

DU = Ducks Unlimited Edition

G = Green

GR = Green

GY = Gray

H = Hunter

L = Blue

R = Red

SP = Special Edition

SE = Special Edition

W = White

Yamaha Grizzly Common Acronyms

EPS = Electronic Power Steering

IRS = Independent Rear Suspension

FI =  Fuel Injected

4X4 =  4 Wheel Drive

2X4 = 2 Wheel Drive

Yamaha ATV Model Year Letter Reference

Use the 10th letter in the VIN to establish the year model of the Yamaha Grizzly.

The 10th letter of the VIN will translate into a production model year.

1980 = G 

1981 = H 

1982 = J 

1983 = K 

1984 = L 

1985 = N 

1986 = S 

1987 = T 

1988 = U 

1989 = W 

1990 = A 

1991 = B 

1992 = D 

1993 = E 

1994 = F 

1995 = G 

1996 = H 

1997 = J 

1998 = K 

1999 = L 

2000 = M 

2001 = N 

2002 = P 

2003 = R 

2004 = S 

2005 = T 

2006 = V 

2007 = W 

2008 = X 

2009 = Y 

2010 = Z 

2011 = A 

2012 = B 

2013 = D 

2014 = E 

Yamaha Grizzly 300 Specs

2012-2013 YFM 300

Front Tires 22x7x10

Rear Tires 22x10x9

Battery YTX12-BS

Spark Plug CR8-E0000-00-00 (CR8E)

Oil Filter 1SC-E4451-00-00

Air Filter 1SC-E4451-00-00

Yamaha Grizzly 350 Specs

2007-2011 YFM 350 2x4

Front Tires 25x8x12

Rear Tires 25x10x12

Battery YTX14AH-BS

Spark Plug DR8-EA000-00-00 (DR8EA)

Oil Filter 5GH-13440-50-00

 Air Filter 5UH-E4451-10-00

Yamaha Grizzly 350 Specs

2007-2013 YFM 350 4x4

Front Tires 25x8x12

Rear Tires 25x10x12

Battery YTX14AH-BS

Spark Plug DR8-EA000-00-00 (DR8EA)

Oil Filter 5GH-13440-50-00

Air Filter 5UH-E4451-10-00

Yamaha Grizzly 350 Specs

2007-2011 YFM 350 IRS 4x4

Front Tires 25x8x12

Rear Tires 25x10x12

Battery YTX14AH-BS

Spark Plug DR8-EA000-00-00 (DR8EA)

Oil Filter 5GH-13440-50-00

Air Filter 5UH-E4451-10-00

Yamaha Grizzly 400 Specs

2007-2008 YFM 400 4x4

Front Tires 25x8x12

Rear Tires 25x10x12

Battery YTX20L-BS

Spark Plug DR8-EA000-00-00 (DR8EA)

Oil Filter 5GH-13440-50-00

Air Filter 5UH-E4451-10-00

Yamaha Grizzly 450 Specs

2007-2013 YFM 450 IRS 4x4

Front Tires 25x8x12

Rear Tires 25x10x12

Battery YTX20L-BS

Spark Plug DR8-EA000-00-00 (DR8EA)

Oil Filter 5GH-13440-50-00

Air Filter 5UH-E4451-10-00

Yamaha Grizzly 550 Specs

2009-2013 YFM 550 4x4

Front Tires 25x8x12

Rear Tires 25x10x12

Battery YTX20L-BS

Spark Plug LMA-R6A90-00-00 (LMAR6A-9)

Oil Filter 5GH-13440-50-00

Air Filter 1HP-E4451-01-00

Yamaha Grizzly 550 Specs

2009-2013 YFM 550 EPS 4x4

Front Tires 25x8x12

Rear Tires 25x10x12

Battery YTX20L-BS

Spark Plug (LMAR6A-9)

Oil Filter 5GH-13440-50-00

Air Filter 1HP-E4451-01-00

Yamaha Grizzly 600 Specs

1998 YFM 600 4x4

Front Tires 25x8x12

Rear Tires 25x10x10

Battery YTX20L-BS

Spark Plug DP8-EA900-00-00 (DP8EA-9)

Oil Filter 4X7-13440-90-00

Air Filter 1UY-14451-00-00

Yamaha Grizzly 600 Specs

1999-2000 YFM 600 4x4 

Front Tires 25x8x12

Rear Tires 25x10x12

Battery YTX20L-BS

Spark Plug DP8-EA900-00-00  (DP8EA-9)

Oil Filter 4X7-13440-90-00

Air Filter 1UY-14451-00-00

Yamaha Grizzly 600 Specs

2001 YFM 600 4x4

Front Tires 25x8x12

Rear Tires 25x10x12

Battery YTX20L-BS

Spark Plug DP8-EA900-00-00  (DP8EA-9)

Oil Filter 4X7-13440-90-00

Air Filter 1UY-14451-00-00

Yamaha Grizzly 660 Specs

2002-2008 YFM 660  4x4

Front Tires 25x8x12

Rear Tires 25x10x12

Battery YTX20L-BS

Spark Plug DP8-EA900-00-00  (DP8EA-9)

Oil Filter 02-06 5GH-13440-30-00

Oil Filter 07-08 5GH-13440-50-00

Air Filter 1UY-14451-00-00

Yamaha Grizzly 700 Specs

2007-2008 YFM 700 FI EPS 4x4

Front Tires 25x8x12

Rear Tires 25x10x12

Battery YTX20L-BS

Spark Plug (CPR7EA-9)

Oil Filter 5GH-13440-50-00

Air Filter 1HP-E4451-01-00

Yamaha Grizzly 700 Specs

2009-2013 YFM 700 FI 4x4

Front Tires 25x8x12

Rear Tires 25x10x12

Battery YTX20L-BS

Spark Plug (LMAR6A-9)

Oil Filter 5GH-13440-50-00

Air Filter 1HP-E4451-01-00

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