Yamaha:

🏍️ Engine & Drivetrain

• Engine type: 689 cc liquid‑cooled, 4‑stroke, DOHC inline twin‑cylinder CP2 engine

• Bore x stroke: 80.0 mm × 68.6 mm

• Compression ratio: 11.5:1

• Fuel delivery: Fuel injection

• Transmission: 6‑speed with multiplate wet clutch & Assist & Slipper clutch

• Final drive: Chain

🏁 Chassis & Suspension

• Front suspension: Telescopic fork; adjustable preload, rebound & compression; ~5.1 in travel

• Rear suspension: Linked‑type Monocross shock; adjustable preload & rebound; ~5.1 in travel

• Front brake: Dual 298 mm hydraulic discs with ABS

• Rear brake: 245 mm hydraulic disc with ABS

• Tires: 120/70ZR17 front, 180/55ZR17 rear (Bridgestone Battlax Hypersport S22)

📊 Dimensions & Weight

• Overall size (L×W×H): ~81.5 in × 27.8 in × 45.7 in

• Seat height: ~32.9 in

• Wheelbase: ~54.9 in

• Wet weight: ~414 lb (~188 kg)

• Fuel capacity: ~3.4 gal (~12.9 L)

• Fuel economy: ~58 MPG combined

🔥 Performance Notes

• The CP2 engine typically makes around ~73–74 hp (~54 kW) and ~67 Nm of torque, depending on region and tuning (European spec data) .

• Designed as a lightweight, agile supersport with good low‑mid range torque — ideal for street and occasional track riding.

🚀 Highlights

• Assist & Slipper clutch for smoother downshifts and lighter lever feel

• Sport‑oriented chassis with balanced suspension for nimble handling

• Aggressive R‑Series styling with slim profile and aerodynamics inspired by bigger R‑models