Engine Mechanical
Engine inspection, block and thread repair, sealing, service, and mechanical repair resources.
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YXZ Addicts Tech
Engine & Cooling
Engine systems, fuel and throttle-body information, cooling-system help, and shop repair videos.
Fuel & Throttle-Body Systems
Throttle-body sensors, fuel-system components, fittings, and related diagnostics.
Browse Fuel & Throttle BodyCooling System
Cooling-system inspection, troubleshooting, maintenance, and repair.
Browse Cooling SystemEngine Mechanical
Engine inspection, block and thread repair, sealing, service, and mechanical repair resources.
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Engine Mechanical · 4.1.001
Starter / One-Way Clutch Explanation
A practical explanation of the starter and one-way clutch components, cross-filed for electrical troubleshooting.
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Engine Mechanical · 4.1.002
Cam Cap Thread Repair
A six-part shop sequence covering the cam cap thread-repair process from preparation through completion.
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Engine Mechanical · 4.1.003
Block Repair — Damaged Threads
A shop-floor demonstration of repairing damaged threads in a Yamaha YXZ engine block.
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Engine Mechanical · 4.1.004
Diagnosing an Engine Misfire
A practical walkthrough for tracking down an engine misfire without replacing parts based on assumptions.
Watch Video & Read GuideFuel & Throttle-Body Systems
Throttle-body sensors, fuel-system components, fittings, and related diagnostic resources.
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Fuel & Throttle Body · 4.2.001
Diagnosing High Idle Issues
A shop-floor walkthrough covering throttle-return concerns and the two possible ECU Code 37 diagnostic paths.
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Fuel & Throttle Body · 4.2.002
Throttle-Body Pressure Sensors
Identify the two intake-pressure sensors associated with ECU Codes 13, 14, 25, and 26.
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Fuel & Throttle Body · 4.2.003
10-32 Push-Connect Fitting
A quick Tech Tip covering the 10-32 push-connect fitting used with the throttle-body assembly.
Watch Video & Read GuideCooling System
Cooling-system fittings, sealing, inspection, troubleshooting, maintenance, and repair resources.
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Cooling System · 4.3.001
Tech Tip: AN Fittings
A shop-floor explanation of AN fitting preparation and use in cooling-system service.
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Cooling System · 4.3.002
Oversized O-Rings
A practical comparison of the factory and oversized oil-feed and water-inlet O-rings.
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