Target Audience:
Junior motocross riders and their support mechanics
Value Proposition:
Provides detailed factory information for maintaining and repairing a performance-oriented youth motocross bike, offering cost savings over dealership service.
Completeness:
100% complete and intact, covering all aspects of service and repair.
Accessibility:
Designed for both DIY enthusiasts and experienced mechanics, with clear, illustrated instructions.
Cost Effectiveness:
Inexpensive way to keep the vehicle working properly and avoid costly shop repairs.
Engine:
Full engine disassembly, assembly, inspection, and repair
Fuel System:
Carburetor tuning, cleaning, and rebuild; fuel tank and lines
Ignition System:
Spark plug, ignition coil, stator, CDI unit diagnostics and replacement
Cooling System:
Liquid-cooled system maintenance (radiator, hoses, coolant)
Transmission:
Gearbox disassembly, inspection, and repair; clutch operation
Drivetrain:
Chain and sprockets inspection, adjustment, and replacement
Suspension Front:
Fork disassembly, seal replacement, oil levels, and adjustments
Suspension Rear:
Shock absorber inspection, linkage maintenance, and adjustment
Brakes Front:
Hydraulic caliper, master cylinder, disc, and pad service
Brakes Rear:
Hydraulic caliper, master cylinder, disc, and pad service
Wheels Tires:
Wheel bearing service, spoke tensioning, tire mounting and balancing
Electrical System:
Basic electrical diagnostics, lighting, and wiring harness inspection
Bodywork:
Fairing, seat, and handle bar components
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, lubrication
Troubleshooting:
Diagnostic flowcharts and common problem solutions
Repair:
Step-by-step repair instructions for all major components
Disassembly Assembly:
Complete dis-assembly and re-assembly procedures
Tuning:
Engine and carburetor tuning
Depth:
Comprehensive factory-level detail suitable for DIY and professional mechanics
Illustrations:
Hundreds of photos and detailed illustrations
Instructions:
Step-by-step instructions for all procedures
Engine Size:
65cc (Specific bore and stroke not detailed in product info)
Engine Configuration:
Single-cylinder, 2-stroke, liquid-cooled
Bore X Stroke:
Not specified in product information
Compression Ratio:
Not specified in product information
Horsepower:
Not specified in product information
Torque:
Not specified in product information
Carburetor Type:
Likely a Keihin PWK or similar performance-oriented carburetor (specific model not provided)
Fuel Type:
Premium Unleaded Gasoline with 2-stroke oil pre-mix
Oil Mixture Ratio:
Typically 32:1 or 40:1 for 2-stroke motocross engines (specific recommendation in manual)
Oil Change Interval:
Specific intervals for gearbox oil change, often after every few races or a set number of hours, detailed in the manual.
Engine Oil Type:
2-stroke motorcycle specific synthetic oil (e.g., Motul, Bel-Ray, Castrol) – specific grade and type provided in the manual.
Coolant Type:
Ethylene glycol-based antifreeze/coolant (specific mix ratio and capacity provided).
Brake Fluid Type:
DOT 4 or DOT 5.1 hydraulic brake fluid (specific type provided).
Fork Oil Type:
Specific viscosity and quantity of suspension fluid for front forks provided.
Common Wear Items:
Piston rings, clutch plates, spark plugs, brake pads, chain and sprockets are common wear items on 2-stroke motocross bikes.
Maintenance Focus:
Proper pre-mix fueling, regular air filter cleaning, chain lubrication, and adherence to engine break-in procedures are critical for longevity.
Heritage Focus:
Husqvarna has a long history in off-road motorcycle racing and manufacturing, known for performance and innovation.
Cr Series:
The CR (Competition) series represents Husqvarna's dedicated motocross models, developed with racing in mind.
Manufacturing Origin:
While Husqvarna is a Swedish brand, the CR 65 models in this era were often produced or developed under ownership structures that may have involved European or Asian manufacturing partnerships. Specifics for 2012 would be detailed in the manual.