2025 Access Xtreme Supermoto 450 EFI vs 2016 Yamaha Grizzly 450 EPS

The Access Xtreme Supermoto 450 EFI records larger displacement than the Yamaha Grizzly 450 EPS.

Recorded specification differences

  • Manufacturer: Access Xtreme Supermoto 450 EFI Access, Yamaha Grizzly 450 EPS Yamaha
  • Model: Access Xtreme Supermoto 450 EFI Access Xtreme Supermoto 450 EFI, Yamaha Grizzly 450 EPS Yamaha Grizzly 450 EPS
  • Year: Access Xtreme Supermoto 450 EFI 2025, Yamaha Grizzly 450 EPS 2016
  • Displacement: Access Xtreme Supermoto 450 EFI 448.8, Yamaha Grizzly 450 EPS 421
  • Weight: Access Xtreme Supermoto 450 EFI 216, Yamaha Grizzly 450 EPS 281
  • Seat height: Access Xtreme Supermoto 450 EFI 87, Yamaha Grizzly 450 EPS 84
Access Xtreme Supermoto 450 EFI vs Yamaha Grizzly 450 EPS key specifications
SpecAccess Xtreme Supermoto 450 EFIYamaha Grizzly 450 EPS
Year20252016
CategoryATVATV
Displacement448.8421
Weight216281

Displacement

The Access Xtreme Supermoto 450 EFI records 448.8 cc, 27.8 cc (6.6%) more than the Yamaha Grizzly 450 EPS at 421 cc.

Seat height

The Access Xtreme Supermoto 450 EFI has a higher recorded seat height (87) than the Yamaha Grizzly 450 EPS (84), a difference of 3.

Frequently asked questions

Which motorcycle records larger displacement, the Access Xtreme Supermoto 450 EFI or the Yamaha Grizzly 450 EPS?

The Access Xtreme Supermoto 450 EFI records 448.8 cc, 27.8 cc (6.6%) more than the Yamaha Grizzly 450 EPS at 421 cc.

How do the recorded seat heights of the Access Xtreme Supermoto 450 EFI and the Yamaha Grizzly 450 EPS compare?

The Access Xtreme Supermoto 450 EFI has a higher recorded seat height (87) than the Yamaha Grizzly 450 EPS (84), a difference of 3.

VS
AC

Access Xtreme Supermoto 450 EFI

2025ATV

Displacement448.8 cc
Yamaha logo

Yamaha Grizzly 450 EPS

2016ATV

Displacement421 cc

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Better
Worse

Access Xtreme Supermoto 450 EFI

2025 • ATV

Yamaha Grizzly 450 EPS

2016 • ATV

Engine & Performance

Engine Displacement
448.8 cc
421 cc
Engine Type
Other
-
Engine Details
Other | OHC | Cylinder: 1
SOHC
Valves / Cylinder
4
-
Compression Ratio
11.8:1
10.0:1

Fuel & Capacity

Fuel System
Injection
Carburetor
Cooling System
Liquid-cooled
Liquid-cooled
Starter
Electric
Electric

Transmission & Drive

Gearbox
Manual 5-speed
Automatic
Transmission
Chain
Shaft

Chassis & Suspension

Front Suspension
A-Arm
Wishbone
Rear Suspension
Swing-Arm
-

Brake System

Front Brakes
Disc x2
Disc x2
Rear Brakes
Disc
Disc

Tires & Wheels

Front Tyre
165/70-10
25/8-12
Rear Tyre
225/40-9
25/10-12

Dimensions & Weight

Length
187 cm
199 cm
Height
102.5 cm
112 cm
Seat Height
87 cm
84 cm
Wheelbase
127 cm
123.2 cm
Ground Clearance
12 cm
25 cm
Dry Weight
216 kg
-
Wet Weight
-
281 kg

Disclaimer: The technical specifications, performance values, ride profile analyses, match scores, and other data presented on this page are compiled for informational purposes and processed through algorithmic calculations. Their source, license, and commercial-use rights are not fully documented. This information does not constitute a definitive, official, or binding reference. Actual values may vary depending on the model year, market, equipment options, riding conditions, and individual use. Before making a purchase decision, we strongly recommend consulting an authorized dealer or the manufacturer for verified and up-to-date specifications. RPMVault assumes no liability for any decisions made based on the information provided on this page.