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	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. WARNING 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 Dimensions 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 Suspension 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) Brakes Front/Rear Brake fluid type DOT4 Brake disk thickness service limit 4mm Tyres Front Minimum Tread Depth 1.6mm Cold tyre pressure (driver only) 33psi Cold tyre pressure (driver & passenger) 33psi Tyre Size 110/80-18 or 58H Rear Minimum Tread Depth 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 DPR8EA-9 (NGK) X24EPR-U9 (Nippondenso) Gap 0.8 - 0.9mm (0.03 - 0.04 inch)