28mm 27.75mm 27.5mm 27.25mm 27mm Motorcycle Engine Crankshaft Main Bearing Set Compatible with Honda CBR250 CB250 CBR 250 MC14 MC17 MC19 Part(Oversize 0.50)

Compatible with HONDA CBR250 MC14 86Compatible with HONDA CBR250 MC17 87Compatible with HONDA CBR250 MC19 88-89Compatible with HONDA CBR250 MC22 90-94Compatible with HONDA CB250 Hornet 96Compatible with HONDA CB250 Jade 91-94 Crankshaft SDT Shaft Diameter: 28mmCrankshaft +25 Shaft Diameter: 27.75mmCrankshaft +50 Shaft Diameter: 27.50mmCrankshaft +75 Shaft Diameter: 27.25mmCrankshaft +100 Shaft Diameter: 27mmDisplacement (ml) : 1000CCNo. of Cylinders : 4 CylinderItem Weight : 0.3kgYears : 1986-1994 Origin : Mainland China Crankshaft One set : 10pcsImportant Tips:Keep the installation area dry and dust-free to avoid impurities getting into the bearing.Select the right bearing size, specification and precision based on application position, operating and environmental conditions — a proper match is essential for long bearing life and reliable performance.

• Protects engine core transmission parts, optimizes rod-crankshaft clearance, forms stable oil film and prevents direct metal friction wear.
• Reduces component abrasive wear and fatigue spalling, extends service life of key parts and cuts engine overhaul costs and frequency.
• Compatible with HONDA CBR250 MC14 86; Compatible with HONDA CBR250 MC17 87; Compatible with HONDA CBR250 MC19 88-89; Compatible with HONDA CBR250 MC22 90-94; Compatible with HONDA CB250 Hornet 96; Compatible with HONDA CB250 Jade 91-94
• Crankshaft SDT Shaft Diameter: 28mm; Crankshaft +25 Shaft Diameter: 27.75mm; Crankshaft +50 Shaft Diameter: 27.50mm; Crankshaft +75 Shaft Diameter: 27.25mm; Crankshaft +100 Shaft Diameter: 27mm; Displacement (ml) : 1000CC; No. of Cylinders : 4 Cylinder; Item Weight : 0.3kg; Years : 1986-1994
• Assists cooling system to dissipate frictional heat via oil circulation, avoiding severe faults like bearing burnout from local overheating.
• Performs reliably in diverse climates, delivering consistent lubrication and load-bearing effect in high-temperature continuous operation or low-temperature startups.
• Handles all riding intensities, maintaining stable performance for daily commuting and long-distance heavy-load journeys alike.