2027 Honda CRF450RS

ALL NEW 2027 HONDA CRF450R

The page highlights the all-new 2027 Honda CRF450R motocross bike, emphasizing major updates focused on performance, weight reduction, and race competitiveness. 

Key Highlights

• MSRP: $13,163 CAD for the standard CRF450R.
• Honda positions the 2027 model as a significant redesign over the 2026 version with:
  • New engine
  • New frame
  • New suspension
  • New styling
  • Reduced weight and increased power

Engine & Performance Upgrades

• 450cc Unicam engine redesigned for greater rigidity and a more compact layout.
• Engine is:
  • 17 mm narrower
  • Nearly 6 lbs lighter
  • Produces more power and torque than the previous generation. 
• New bore and stroke (97 mm × 60.8 mm) and higher 13.8:1 compression ratio improve power delivery and efficiency. 
• Larger titanium intake and exhaust valves improve airflow and performance. 

Drivetrain & Clutch

• Completely redesigned clutch developed with Honda Racing Corporation (HRC) input.
• Features a unique back-torque-limiting system that provides slipper-clutch functionality while reducing weight.
• Hydraulic clutch reduces lever effort by about 10% compared to cable systems. 

Intake, Exhaust & Cooling

• New intake, airbox, and filter design reduce airflow restriction by roughly 10%. 
• New exhaust system complies with AMA/FIM 111 dB regulations while improving power output. 
• Larger radiator offers about 6% more cooling capacity. 

Electronics

• Gear-position engine mapping adjusts power delivery for each gear.
• Honda Selectable Torque Control (HSTC) provides three traction-control settings accessible from the handlebar.