The following is from American Honda regarding a recall of the 2015 and 2016 Honda CRF450R model:
Number of Potential Recalls: 1
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Last Updated: Sep 13, 2017
CPSC RECALL NUMBER: RP170451
Campaign Description: ’15’16 CRF450R GEAR RECALL
mfr campaign id: KH3
recall date: 09/05/2017
recall status: VIN/HIN Required
THE TRANSMISSION COUNTERSHAFT 5TH (C5) GEAR, USED FOR ENGAGING 3RD GEAR, MAY BREAK UNDER CERTAIN RIDING CONDITIONS.
IF THE C5 GEAR BREAKS, THE TRANSMISSION CAN SEIZE AND CAUSE THE REAR WHEEL TO LOCK. A REAR WHEEL THAT LOCKS WHILE RIDING INCREASES THE RISK OF A CRASH.
CALL ANY AUTHORIZED HONDA MOTORCYCLE DEALER AND MAKE AN APPOINTMENT TO HAVE THE C5 GEAR REPLACED, FREE OF CHARGE. FOR ASSISTANCE WITH LOCATING A HONDA MOTORCYCLE DEALER, YOU MAY CALL HONDA MOTORCYCLE CUSTOMER SUPPORT AT 1-866-784-1870. HONDA’S CAMPAIGN NUMBER FOR THIS RECALL IS KH3.
016 Honda CRF450R Specifications
Engine Type: 449cc liquid-cooled single-cylinder four-stroke
Bore and Stroke: 96.0mm x 62.1mm
Compression Ratio: 12.5:1
Valve Train: Unicam, four-valve; 36mm intake, titanium; 31mm exhaust, steel
Induction: Dual-Timing PGM-FI, 46mm throttle body
Ignition: Full transistor with electronic advance
Transmission: Close-ratio five-speed
Final Drive: #520 chain; 13T/48T
Front: 48mm inverted KYB PSF (Pneumatic Spring Fork) with air-adjustable spring rate, and rebound and compression-damping adjustability; 12.2 inches travel.
Rear: Pro-Link, KYB single shock with adjustable spring preload, rebound damping adjustability, and compression damping adjustment separated into low-speed and high-speed; 12.4 inches travel
2016-Honda-CRF450R-TFront: Single 260mm wave-style disc with twin-piston caliper
Rear: Single 240mm wave-style disc
Front: Dunlop MX52 80/100-21
Rear: Dunlop MX52 120/80-19
Wheelbase: 58.8 inches
Rake (Caster angle): 27° 04’ (‘= minutes)
Trail: 116mm (4.6 inches)
Seat Height: 37.5 inches
Ground Clearance: 13.0 inches
Fuel Capacity: 1.7 gallons
Claimed Curb Weight*: 243.0 pounds
*Includes all standard equipment, required fluids and full tank of fuel—ready to ride.