Engine Rebuild Report Megablade（引擎重建报告Megablade）.pdf

Engine Rebuild Report Donor Vehicle Honda CBR900RR-N Fireblade Date of purchase: 31st August 2002 Source: Black’s Bike Shop, Nr. Ormskirk Motorcycle Reg No: K265 XXX Engine No: SC28E-200XXXX Chassis No: SC28-200XXXX th Reg Date: 7 August 1992 Mileage: 25,966 The dealer informed me that the engine was in running order at the time of the accident leading to the vehicle being scrapped, and that it had been tuned by VM Racing to Stage 3. The engine was sold with a 14 day warranty. Original Condition The engine had clearly been standing for some time as the casings had become oxidised. In addition some of the engine mounting lugs had been damaged in the accident – the lug to the rear of the number 4 cylinder block and the pair of lugs underneath the rear of the gearbox. All coolant pipe work and inlet/exhaust ports were plugged with clean cloths. The spark plugs and sump drain plugs were in situ. The engine oil filler cap and combined dipstick were missing with the hole plugged with a clean cloth. Stripdown The engine was cleaned using degreaser followed by wire brush and metal polish. The engine was stripped following the procedures in the Haynes manual (ISBN 1 85960 709 8)). The cylinder head was removed, the crankcases were split and the conrod and piston assemblies were removed. The crankshaft and gear shafts with gear clusters were removed. All parts were labelled to ensure replacement in the correct position (particularly important for valve end caps, piston/conrod assemblies and main bearing shells). The casings were taken to a specialist aluminium welder for repair. The valve cover, clutch cover and alternator cover were stripped of the original paint and were polished. Examination It had originally been envisaged that the piston rings would be replaced, with rebore if necessary, but on