2021 Honda CRF® 450R
THE REDESIGNED 2021 CRF450R
LIGHTER, NARROWER FRAME
Great handling starts with a superior frame, and we’ve made some big changes to our 2021 CRF450R’s chassis. First, it’s lighter—over a pound and a half lighter. By making the frame’s main spars narrower, we saved weight, but more important we made the chassis more responsive by reducing lateral rigidity 20 percent. The result is a bike that gets into, around, and out of corners faster.
NEW HYDRAULIC CLUTCH
This is huge news for the 2021 CRF450R. Made by Nissin, the hydraulic clutch performs better than third-party conversions. You get a clutchlever pull that’s ten percent lighter at its peak, even though You get a clutch-lever pull that’s ten percent lighter at its peak, even though it’s paired with a new, stronger 8-plate clutch. Plus, you’ll never have to worry about making a clutch-cable adjustment, even during the longest events.
NEW AIRBOX AND FILTER
Along with the new air filter, the airbox shape helps deliver more torque. You can access the airbox through the left number plate. And because the new filter has no rubber gasket where it interfaces with the intake boot, cleaning and servicing the filter is faster and less messy than ever.
Engine
- Engine Type:Single-Cylinder
- Cylinders:1
- Engine Stroke:4-Stroke
- Cooling:Liquid
- Valves:4
- Valves Per Cylinder:4
- Valve Configuration:OHV
- Bore (mm):96
- Bore (in):3.78
- Stroke (mm):62.1
- Stroke (in):2.45
- Displacement (cc):449.7
- Displacement (ci):27.4
- Compression Ratio:13.5:1
- Starter:Electric
- Fuel Requirements:Regular
- Fuel Type:Gas
Brakes
- Front Brake Type:Disc
- Front Brake Diameter (in):10.2
- Front Brake Diameter (mm):260
- Rear Brake Type:Disc
- Rear Brake Diameter (in):9.5
- Rear Brake Diameter (mm):240
Carburetion
- Fuel Injector:Yes
- Fuel Injector Size (mm):46
- Carburetion Type:Fuel Injected
Dimensions
- Length (in):85.9
- Length (mm):2181.9
- Width (in):32.6
- Width (mm):828
- Height (in):49.9
- Height (mm):1267.5
- Wheelbase (in):58.3
- Wheelbase (mm):1480.8
- Ground Clearance (in):13.2
- Ground Clearance (mm):335.3
- Length (ft):7.16
- Length (ft/ft):7
- Length (ft/in):1.9
Other
- Fuel Capacity (gal):1.7
- Fuel Capacity (l):6.4
- Frame:Aluminum
- Body Material:Plastic
- Side Cover:Yes
- Engine Case Guard:Yes
- Fork Guards:Yes
- Exhaust Guard:Yes
- Foot Peg Location:Driver
- Front Suspension Type:Inverted Fork
- Front Suspension Size (in):1.9
- Front Suspension Size (mm):49
- Front Travel (in):12.2
- Front Travel (mm):310
- Front Adjustable Rebound Damping:Yes
- Front Suspension Brand Name:Showa®
- Steering Damper:Yes
- SysModelID:105906
- MfrModelID:CRF450RM
- Year:2021
- Manufacturer:Honda
- Model Name:CRF®
- Trim Name:450R
- Family Name:CRF
- Product Type:Motorcycle / Scooter
- Manufacturer Type:Competition
- Generic Type (Primary):Off-Road
- Manufacturer Country:Japan
- Photo Name:2021_Honda_CRF_450R.jpg
- Major Revision Year:2021
- Revision Status:Upgraded
- Competitor Code:MOT21OAI000
- SysTrimId:329892
- SysMakeId:2
- Historical ID:287232
- Data Provider:CRS
- Parent Company:Honda
- Display Name:CRF450R
- Currency:US Dollars
- Destination Charge:380
- Rear Suspension Type:Twin Sided Swing Arm
- Rear Travel (in):12.4
- Rear Travel (mm):315
- Rear Adjustable Shock / Spring Pre-Load:Yes
- Rear Adjustable Rebound Damping:Yes
- Number Rear Shock Absorbers:1
- Rear Suspension Brand Name:Pro Link®
- Rear Suspension Material:Aluminum
- Seat Type:One-Piece
- Seat Material:Vinyl
- Seat Location:Driver
- Seat Height (in):38
- Seat Height (mm):965.2
- Number Of Seats:1
- Stand Type:Kick
- Steering Control:Handlebar
- Tire Brand:Dunlop®
- Front Tire Width:80
- Front Tire Aspect Ratio:100
- Front Wheel Diameter:21
- Rear Tire Width:120
- Rear Tire Aspect Ratio:80
- Rear Wheel Diameter:19
- Front Tire (Full Spec):Dunlop® Geomax MX33: 80/100-21
- Rear Tire (Full Spec):Dunlop® Geomax MX33: 120/80-19
- Wheels Composition:Aluminum
- Tube / Tubeless:Tubed
