Discussed in this manual. The official Honda Service Manual for your CR is available (page 132). It is the same manual your dealer uses. If you plan to do any service on your CR beyond the standard maintenance procedures in this manual, you will find the Service Manual a valuable reference. If you have any questions, or if you ever need a. HONDA CM 125 SERVICE MANUAL The main topic of the following pdf is centered on HONDA CM 125 SERVICE MANUAL, but it did not shut the chance of other extra info and details in connection with the topic. Classic-Fantic 303-243-125 Serie2 Trial Professional Owners Manual. Classic-Fantic 305-245-125.5 Trial Owners Manual. Classic-Fantic Trial 240 Professional Owners Manual. Classic-Fantic Trial 307-247-125.7 Parts Manual. Classic-HONDA CR 250 R C 500 R 1986 Manual for Engine Clutch and Transmission.

SERVICE RULES 1. Use genuine Honda or Honda-recommended parts and lubricants or their equivalents. Parts that do not meet Honda's design specifications may cause damage to the motorcycle. Use the special tools designed for this product to avoid damage and incorrect assembly. Use only metric tools when servicing the motorcycle. Honda Motorcycle User Manuals Download.

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Honda Cm 125 Workshop Manual

VALVE CLEARANCE

Inspect and adjust valve clearance while the engine is cold and the piston positioned at Top Dead Center (TDC) on compression stroke.

1. Remove the seat.
2. Remove body panels and fuel tank as necessary to gain access to valve cover.
3. Remove the spark plug high tension lead and remove the spark plug. CAUTION: Place a clean shop towel into the spark plug cavity to prevent dirt from entering.
4. Remove plastic valve plugs.
5. Remove timing inspection plug from recoil housing. CAUTION: Failure to position the crankshaft at TDC on compression stroke will result in improper valve adjustment.
6. Rotate engine slowly with recoil rope, watching the intake valve(s) open and close.

NOTE: Observe the intake valve closing and then start to open, continue to rotate until the “T” aligns with pointer. The camshaft lobes should be pointing downward.

Honda Cm 125 Service Manual Download

7. Verify accurate TDC positioning by observing the “T” mark aligned with the pointer in the timing inspection hole. In this position there should be clearance on all valves.

INTAKE VALVE CLEARANCE ADJUSTMENT

1. Insert a .006″ (.15mm) feeler gauge between end of intake valve stem and clearance adjuster screw.
2. Using Valve/Clutch Adjuster (PA--44689), loosen adjuster lock nut and turn adjusting knob until there is a slight drag on the feeler gauge.
3. Hold adjuster screw and tighten adjuster lock nut securely.
4. Re-check the valve clearance.
5. Repeat adjustment procedure if necessary until clearance is correct with locknut secured.

EXHAUST VALVE CLEARANCE ADJUSTMENT

NOTE: The exhaust valve is adjusted thesame as the intake valve.

1. Insert .006″ feeler gauge between end of exhaust valve stem and adjuster screw.
2. Loosen locknut and turn adjuster screw until there is a slight drag on feeler gauge.
3. When clearance is correct, hold adjuster screw and tighten locknut securely
4. Re-check the valve clearance.
5. Repeat adjustment procedure if necessary until clearance is correct with locknut secured.
6. Inspect o-rings on the plastic valve plugs, replace if damaged. Securely fasten valve plugs.
7. Reinstall fuel tank and any body panels that were removed to gain access.

EXHAUST VALVE CLEARANCE:

Honda Cm 125 Service Manual Pdf

0.006±0.0008I (0.15±0.02 mm) BTDC on compression