The Honda XR400R is a 2004 motorcycle that features a four-stroke, single-cylinder engine with a capacity of 397cc. It has a bore of 85mm and a stroke of 70mm, and uses a silent multi-link chain driven SOHC with rocker arms, as well as a 4 valve design. The cooling system is air-cooled, and the compression ratio is 9.3:1. The bike uses a carburetor with a piston valve and throttle bore of 38mm. The lubrication system is forced pressure with a trochoid oil pump type, and the ignition is solid state CDI with electronic advance. The bike is started with a kick, and has a maximum power output of 34hp at 6500rpm. The clutch is multi-plate and wet, and the transmission is a 5-speed with chain final drive. The front suspension features a 43mm leading-axle Showa cartridge fork, and the rear suspension uses a Pro-Link Showa single shock. The front brakes are a single 256mm disc with 2 piston calipers, while the rear brakes are a single 220mm disc with 1 piston caliper. The bike has a caster angle of 25 degrees and a trail of 94mm. Its dimensions are 2130mm in length, 840mm in width, and 1240mm in height, with a wheelbase of 1425mm and a seat height of 930mm. The dry weight is 116.5kg, and the wet weight is 125kg. The fuel capacity is 9.5 litres, and the bike has a top speed of 137km/h with a standing 1/4 mile time of 14.8 seconds at 132km/h. It was reviewed positively by Tutomoto in 1996.
Technical specifications:
Make Model: Honda XR 400R
| Year | 2004 |
|---|---|
| Engine | Four stroke, single cylinder, Silent multi-link chain driven SOHC with rocker arms, 4 valve |
| Capacity | 397 cc / 24.2 cu-in |
| Bore x Stroke | 85 x 70 mm |
| Cooling System | Air cooled |
| Compression Ratio | 9.3:1 |
| Induction | Carburettor (Carburetor) type: Piston valve Throttle Bore: 38 mm (1.5 in) |
| Lubrication | Forced pressure (dry sump) |
| Oil Pump Type | Trochoid |
| Ignition | Solid state CDI with electronic advance |
| Starting | Kick |
| Max Power | 34 hp / 24.8 kW @ 65000 rpm |
| Clutch | Multi-plate, wet |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Primary Reduction | 2.826 (65/23) |
| Final Reduction | 3.000 (45/15) *Note – Gearing varies from country to country. Some have 40/15 as standard. |
| Gear Ratio | 1st: 2.615 (34/13) 2nd: 1.842 (35/19) 3rd: 1.400 (28/20) 4th: 1.120 (28/25) 5th: 0.926 (25/27) |
| Gearshift Pattern | Left operated return system 1 – N – 2 – 3 – 4 – 5 |
| Frame | Semi-double cradle |
| Front Suspension | 43 mm leading-axle Showa cartridge fork with 18-position compression and 12-position rebound damping adjustability |
| Front Wheel Travel | 280 mm / 11.0 in |
| Rear Suspension | Pro-Link Showa single shock with spring preload, 16-position compression and 16-position rebound damping adjustability. |
| Rear Wheel Travel | 300 mm / 11.8 in |
| Front Brakes | Single 256 mm disc 2 piston caliper |
| Rear Brakes | Single 220 mm disc 1 piston caliper |
| Front Tyre | 80/100-21 |
| Rear Tyre | 110/100-18 |
| Caster Angle | 25 degrees |
| Trail | 94 mm / 3.7 in |
| Dimensions | Length 2130 mm / 83.9 in Width 840 mm / 33.1 in Height 1240 mm / 48.8 in |
| Wheelbase | 1425 mm / 56.1 in |
| Seat Height | 930 mm / 36.6 in |
| Ground Clearance | 310 mm / 12.2 in |
| Dry Weight | 116.5 kg / 257 lbs |
| Wet Weight | 125 kg / 276 lbs |
| Fuel Capacity | 9.5 Litres / 2.5 US gal |
| Standing 1/4 Mile | 14.8 sec / 132 km/h |
| Top Speed | 137 km/h / 85 mph |
| Road Test | Tutomoto 1996 |
