Motorcycle engine lubrication system Honda CB400SF/1 (1992-1999)

Checking the oil level
Attention! The oil level in the engine should be checked at least every 1000 km, and when operating the motorcycle with extreme loads (participation in competitions, long highway driving at high speed, at temperatures above 30°C) - at least once...

Possible causes of high engine oil level
• Whitish impurities are visible in the oil - an emulsion. Broken cylinder head gasket. Antifreeze gets into the oil. In this case, an urgent engine repair and a complete oil change are necessary. Motorcycle operation is not permitted. Gasoline gets...

Changing engine oil and oil filter
The engine oil should be changed every 6,000 km. The oil filter should be replaced at every oil change. The manufacturer recommends the use of high-quality motorcycle oils with an API classification of at least SF (SF, SG, SH etc). Oil viscosity...

Oil pump — removal
The oil pump must be checked if there is insufficient oil pressure in the lubrication system (in the absence of other causes of insufficient pressure). The work can be done without removing the power unit from the motorcycle; in the photo the power...

Oil pump — disassembly and inspection
The Honda CB400 motorcycle uses a trochoid type oil pump. Its performance and performance directly depend on the fit of the parts to each other. During operation, parts wear out, metal and other solid particles enter friction pairs, which leads to...

Oil pump — installation
1. Install the oil pump in reverse order. 2. Tighten the oil pump drive sprocket bolt to 15 Nm. 3. Before installing the oil intake and pressure reducing valve, lubricate the rubber o-rings with engine oil. 4. Install a new oil pan gasket, having...

Oil pressure sensor — removal and installation
The oil pressure sensor is installed on the right side of the power unit, behind the clutch housing boss. To remove the oil pressure sensor, you must first remove the carburetor bar (see « Plank carburetors - removal and installation »). Removing 1....