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Provides general information and specifications for inspection and adjustment procedures.
Outlines periodic maintenance tasks based on service mileage.
Instructions for inspecting and maintaining the fuel line and filter.
Procedure for checking and adjusting throttle grip free play.
Details on checking oil level, oil changes, and oil filter screen.
Guidance on inspecting and replacing the air cleaner element.
Steps for inspecting, cleaning, and replacing the spark plug.
Procedure for inspecting and adjusting valve clearance.
Instructions for checking and adjusting the carburetor idle speed.
Method for testing cylinder compression and interpreting results.
Procedure for checking and changing final reduction gear oil.
Inspection of the drive belt for wear and damage.
Procedure for adjusting the headlight aim.
Inspection of clutch shoes for wear and replacement.
Inspection and maintenance of the cooling system.
Inspection of brake levers, fluid, disks, and pads.
Checking chassis nuts and bolts for looseness and torquing.
Inspection of tires for damage and checking tire pressure.
Checking steering handlebar rotation and head bearing.
Inspection of front/rear shock absorbers and bushings.
Provides general information and specifications for inspection and adjustment procedures.
Outlines periodic maintenance tasks based on service mileage.
Instructions for inspecting and maintaining the fuel line and filter.
Procedure for checking and adjusting throttle grip free play.
Details on checking oil level, oil changes, and oil filter screen.
Guidance on inspecting and replacing the air cleaner element.
Steps for inspecting, cleaning, and replacing the spark plug.
Procedure for inspecting and adjusting valve clearance.
Instructions for checking and adjusting the carburetor idle speed.
Method for testing cylinder compression and interpreting results.
Procedure for checking and changing final reduction gear oil.
Inspection of the drive belt for wear and damage.
Procedure for adjusting the headlight aim.
Inspection of clutch shoes for wear and replacement.
Inspection and maintenance of the cooling system.
Inspection of brake levers, fluid, disks, and pads.
Checking chassis nuts and bolts for looseness and torquing.
Inspection of tires for damage and checking tire pressure.
Checking steering handlebar rotation and head bearing.
Inspection of front/rear shock absorbers and bushings.
Schematic illustration of the engine's lubrication system.
General instructions and specifications for the lubrication system.
Common issues and solutions for oil level and lubrication pressure problems.
Procedures for checking, changing engine oil, and servicing the oil filter.
Steps to remove the oil pump from the engine.
Instructions for disassembling the oil pump.
Guidelines for inspecting oil pump clearances and service limits.
Procedure for assembling the oil pump components correctly.
Steps for installing the oil pump back into the engine.
Exploded view of the cylinder head and valve components.
General instructions and specifications for cylinder head service.
Diagnosing issues related to cylinder head performance and noises.
Procedure for removing the cylinder head cover.
Steps for removing the camshaft from the cylinder head.
Detailed steps for removing the cylinder head assembly.
Instructions for disassembling the cylinder head components.
Procedure for assembling the cylinder head with new parts.
Steps for installing the camshaft correctly.
Procedure for installing the cylinder head cover.
Exploded view of the cylinder and piston assembly.
General instructions and specifications for cylinder and piston service.
Diagnosing issues related to cylinder compression and noise.
Steps for removing the cylinder from the crankcase.
Procedure for removing the piston from the cylinder.
Instructions for installing piston rings and the piston.
Procedure for installing the cylinder onto the crankcase.
Exploded view of the drive, driven pulleys, and kick starter.
General instructions and specifications for pulley systems.
Diagnosing issues with engine starting and power loss.
Procedure for removing and installing the left crankcase cover.
Inspection and disassembly of the drive pulley.
Inspection of the clutch outer and drive pulley face.
Steps for disassembling the clutch/driven pulley assembly.
Procedure for assembling the clutch/driven pulley components.
Exploded view of the final reduction gear components.
General instructions and specifications for final reduction.
Diagnosing issues with transmission damage, noise, and leaks.
Steps for disassembling the final reduction gear assembly.
Inspection of gears, shafts, bearings, and seals for wear.
Procedure for replacing bearings in the transmission case cover.
Procedure for replacing bearings in the left crankcase cover.
Steps for assembling the final reduction gears and shafts.
Explanation of how the variable-venturi carburetor operates.
How the slow system supplies fuel at low engine speeds.
Function of the coasting enrichment system in the slow system.
How the main system meters fuel at higher engine speeds.
Operation of the automatic enrichener for cold starting.
How the float and needle valve maintain fuel level.
Function of the accelerator pump for quick throttle response.
Checking carburetor parts for damage and clogging.
Exploded view of the A.C. generator and starter clutch components.
General instructions and specifications for generator/starter clutch.
Diagnosing starter motor issues when the engine won't start.
Procedure for removing the right crankcase cover.
Steps for removing the A.C. generator stator.
Procedure for removing the flywheel using a puller.
Inspection of the starter driven gear and starter idle gear.
Procedure for installing the flywheel onto the crankshaft.
Steps for installing the A.C. generator stator and pulser coil.
Procedure for installing the right crankcase cover.
Exploded view of the crankcase and crankshaft components.
General instructions and specifications for crankcase and crankshaft service.
Diagnosing issues related to excessive engine noise and bearing play.
Steps for separating the crankcase to access the crankshaft.
Measuring crankshaft bearing play, clearances, and runout.
Procedure for cleaning and assembling the crankcase.
Exploded view of the cooling system components.
General instructions and specifications for cooling system service.
Diagnosing issues like engine overheating and coolant leaks.
Procedures for testing coolant and radiator cap pressure.
Inspection and removal of the radiator.
Inspection and removal of the water pump and mechanical seal.
Removal, inspection, and installation of the thermostat.
General| Brand | PGO |
|---|---|
| Model | Bug Rider BR-250 |
| Category | Utility Vehicle |
| Language | English |
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