Beta Enduro RR 480 2015 User Manual

Disassembly and checks of the cylinder head, cylinder, and piston.

Procedure for removing the mechanical chain tensioner.

Steps to disassemble camshaft support, chain guide, and O-ring.

Instructions for the removal of intake and exhaust camshafts.

Procedure for uncoupling the cylinder head from the cylinder.

Instructions for detaching crankshaft, gearbox, and internal gearshift.

Steps for opening the left and right crankcases.

Controls and assembly operations for crankcase halves.

Checks for crankshaft wear, axial and radial play.

Procedure for greasing oil seal and coupling the crankshaft.

Verifications and procedures for checking and reassembling gearbox units.

Checking axial play between forks and gearwheels.

Procedure for cleaning, oiling, and assembling the primary unit.

Procedure for cleaning, oiling, and assembling the secondary unit.

Checks for drive pins, bushes, fork pins, and desmodromic device.

Procedure for inserting primary and secondary units into the crankcase.

Procedure for closing the engine block halves.

Procedure to block crankshaft and tighten left side nut.

Procedure for coupling ignition and primary gears to the motor.

Control and reassembly of the oil pumps.

Controls on clutch unit components before reassembly.

Procedure for lubricating and assembling the clutch unit.

Procedure for applying gasket and assembling clutch cover.

Checking and coupling of timing chain, fixed and mobile guides.

Procedure for coupling the ignition system to the crankcase.

Thorough controls on cylinder, piston, pin bolt, rings, head.

Checks on piston, pin bolt, and piston rings for wear.

Checks for cylinder bore and ovalization within service limits.

Disassembly and inspection of cylinder head auxiliary devices.

Disassembly and checking of valve units.

Checks on valve guides, valves, and seats for wear.

Checking flatness of the cylinder head and its oil passages.

Verifying camshaft wear and checking cam height.

Procedure for applying piston rings and oil-scraper rings.

Procedure for coupling the piston to the cylinder.

Procedure for coupling piston/cylinder unit to crankcase.

Procedure for applying guide bushes and gasket, coupling head.

Coupling camshafts, lubricating, and checking phasing.

Checking valve play using a thickness gauge.