Scrape gasket residues off the crankcase contact surface. Run your engine in an open area, if strictly prohibited. Then, remove the front brake panel and the front wheel. Replace the bulb with new one if necessary. Pulley surface Install siding pulley assembly onto crankshaft. Remove the cam chain tensioner hex socket 1 hex socket bolt bolt from the left side of crankcase. Remove spark plug cap and spark plug.
Install the camshaft holder, gasket and nut onto the cylinder head. If so, replace valve guide. Installation Install the handlebar according to the reverse procedure of removal. Sliding pulley Crankshaft Pulley hub. Make sure the brake lining condition. Loosen the adjustment nut and fixing nut of throttle valve cable, and release the cable from carburetor. Installation Install the cover according to the reverse procedure of removal.
Specification unit: mm Item Standard. Disconnect the connector of the handle switch. And then conduct connection operation later. Replace the right crankshaft oil seal of the crankcase and apply some oil onto the oil seal lip. Caution The left and right bearings of crankshaft is to press-fit onto the crankshaft.
Engine hard to start or can not be started Check and adjustment Fault condition Probable causes 1. Sliding driven Caution pulley Pull out driving pulley and then insert the driving belt into the driving pulley so that the driving belt set can be installed onto sliding pulley more easily. Service Limit: Replace when it is above 9. Installation Install the exhaust muffler according to the reverse procedure of removal. Damaged cable will make unstable driveability. If so, replace with new ones.
Remove the main switch cover. Apply with specified grease to lubricate the inside of sliding pulley. Install the camshaft chain plate. Remove the oil drain plug and drain gear oil into a measurement cup. Replace it if exceeds service limit. Special service tools: Anti-loosen lock nut socket Universal fixture.
Caution Do not damage the matching surfaces of cylinder and cylinder head. Do not the bearing in tile motion when installing. No fuel in fuel tank Loosen carburetor drain 2. If handle turning is uneven and bending, or the handle can be operated in vertical direction, then adjust the handle top bearing. The brake caliper can be removed without removing the hydraulic system. Service limit: Replace when it is more than 0.
Remove the primary coil wire of ignition coil. Driving disk, driving belt, clutch, and transporting disk 3. The troubles usually can be determinate or by performing cylinder compression test and judging the abnormal noise generated. Cam chain Cam chain guide auto-adjuster Remove cam chain plate. Remove the generator wire and pulse generator connector.
Apply a thin cost of grease onto the oil seal Brake cam lip and then install the oil seal onto the brake cam shaft. Remove the engine start control switch wire connector. Make sure that electrical starter can be operated only under brake applying. Remove the wheel axle nut and pull out the axle. Caution Do not damage contact surface of the crankcase. Apply with some grease onto the handlebar moving parts when installing the acceleration handlebar seat, acceleration handlebar, and acceleration cable.