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machine specifications

This data is provided for informational purposes only. Information provided in this document is provided 'as is' without warranty of any kind, either express or implied. The user assumes the entire risk as to the accuracy and the use of these documents and as such sevenfifty.co.uk, Laurie Baker, Chris Chapman, Phil Skinner or Howard Quibell cannot be held responsible for any loss resulting from the use of this data.

The information supplied below is intended as a starting point for home servicing and for general reference. Year and/or model specific data is not available at the moment. If you are in any doubt whatsoever, contact your nearest agent and ask for Honda's recommendations or consult a trained motorcycle mechanic.

Honda CB750 Nighthawk 1991-1993 and 1995-1999

Supplied by Howard Quibell HowardQuibell@aol.com

Engine data
Bore and Stroke 67 x 53mm
Engine Capacity 747cc
Firing Order 1,2,4,3
Ignition Timing 'F' Mark 10° BTDC
Compression Ratio 9.3 : 1

Capacities and Oils
Engine Oil Capacity
Engine Oil Capacity (oil change) 2.7 litres
Engine Oil Capacity (oil change + filter) 2.9 litres
Engine Oil Capacity (at build) 3.6 litres

Engine Oil Type
10W-40 multigrade SF or SG

Front fork oil capacity 472cm³
Front fork oil level 137mm
Front fork oil type 10 weight oil
Front suspension free spring length 39.4cm - 40.2cm
Rear suspension free spring length 249mm (9.8 inch)

Front/Rear Brake fluid type DOT4
Brake disk thickness service limit 4mm

Minimum Tread Depth 1.6mm
Cold tyre pressure (driver only) 33psi
Cold tyre pressure (driver & passenger) 33psi
Tyre Size 110/80-18 or 58H

Minimum Tread De
pth 2.0mm
Cold tyre pressure (driver only) 33psi
Cold tyre pressure (driver & passenger) 41psi
Tyre Size
140/70-17 or 66H

Spark Plugs
Recommended Plugs
X24EPR-U9 (Nippondenso)

0.8 - 0.9mm (0.03 - 0.04 inch)