2025 Access Xtreme Supermoto 450 EFI vs 2017 Yamaha YFZ450R SE

The Yamaha YFZ450R SE records larger displacement than the Access Xtreme Supermoto 450 EFI.

Recorded specification differences

  • Manufacturer: Access Xtreme Supermoto 450 EFI Access, Yamaha YFZ450R SE Yamaha
  • Model: Access Xtreme Supermoto 450 EFI Access Xtreme Supermoto 450 EFI, Yamaha YFZ450R SE Yamaha YFZ450R SE
  • Year: Access Xtreme Supermoto 450 EFI 2025, Yamaha YFZ450R SE 2017
  • Displacement: Access Xtreme Supermoto 450 EFI 448.8, Yamaha YFZ450R SE 449
  • Weight: Access Xtreme Supermoto 450 EFI 216, Yamaha YFZ450R SE 184
  • Seat height: Access Xtreme Supermoto 450 EFI 87, Yamaha YFZ450R SE 81
Access Xtreme Supermoto 450 EFI vs Yamaha YFZ450R SE key specifications
SpecAccess Xtreme Supermoto 450 EFIYamaha YFZ450R SE
Year20252017
CategoryATVATV
Displacement448.8449
Weight216184

Displacement

The Yamaha YFZ450R SE records 449 cc, 0.2 cc (0%) more than the Access Xtreme Supermoto 450 EFI at 448.8 cc.

Seat height

The Access Xtreme Supermoto 450 EFI has a higher recorded seat height (87) than the Yamaha YFZ450R SE (81), a difference of 6.

Frequently asked questions

Which motorcycle records larger displacement, the Access Xtreme Supermoto 450 EFI or the Yamaha YFZ450R SE?

The Yamaha YFZ450R SE records 449 cc, 0.2 cc (0%) more than the Access Xtreme Supermoto 450 EFI at 448.8 cc.

How do the recorded seat heights of the Access Xtreme Supermoto 450 EFI and the Yamaha YFZ450R SE compare?

The Access Xtreme Supermoto 450 EFI has a higher recorded seat height (87) than the Yamaha YFZ450R SE (81), a difference of 6.

VS
AC

Access Xtreme Supermoto 450 EFI

2025ATV

Displacement448.8 cc
Yamaha logo

Yamaha YFZ450R SE

2017ATV

Displacement449 cc

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Worse

Access Xtreme Supermoto 450 EFI

2025 • ATV

Yamaha YFZ450R SE

2017 • ATV

Engine & Performance

Engine Displacement
448.8 cc
449 cc
Engine Type
Other
-
Engine Details
Other | OHC | Cylinder: 1
DOHC
Valves / Cylinder
4
5
Compression Ratio
11.8:1
11.8:1

Fuel & Capacity

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

Transmission & Drive

Gearbox
Manual 5-speed
Manual 5-speed
Transmission
Chain
Chain

Chassis & Suspension

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

Brake System

Front Brakes
Disc x2
Disc x2
Rear Brakes
Disc
Disc

Tires & Wheels

Front Tyre
165/70-10
21/7-10
Rear Tyre
225/40-9
20/10-9

Dimensions & Weight

Length
187 cm
180 cm
Height
102.5 cm
81 cm
Seat Height
87 cm
81 cm
Wheelbase
127 cm
127 cm
Ground Clearance
12 cm
12 cm
Dry Weight
216 kg
-
Wet Weight
-
184 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.