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List of catalogs of this article:

• 1, How to remove the Wuyang 125 motorcycle engine from the frame? Change it
• 2, How to disassemble and install the three-wheeled motorcycle engine and separate it from the drive shaft?
• 3 、 What is the assembly process of cylinder disassembly in Honda CG engine?

How to remove the Wuyang 125 motorcycle engine from the frame? ExchangeOne

Choose the right engine head: Choose the right engine head according to your needs and budget. Consider the models and specifications compatible with the original engine head of Wuyang Honda Tongyu 125. Prepare tools and materials: Prepare the required tools and materials, such as wrenches, screwdrivers, washers, sealants, etc.

Steps to remove from the engine rack: (1) Empty the water and oil in the tank, turn off the fuel tank switch, and remove the oil pump pipe connector. ( 2) Remove the power cord and the wire on the generator. Remove the inlet pipe of the water tank and the nuts everywhere. Connect bolts and pins, etc. Remove the water tank and frame.

General special tooling: magnetic motor stop-rotation and rotor disassembly tooling, clutch stop-rotation, crankshaft stop-rotation, sprocket stop-rotation, plastic hammer, special four-claw sleeve, valve installation tool, lengthened iron hook (for loading the current chain), plug ruler (valge adjustment valve gap).

1 Use the main support frame to support the car on the flat ground. 2 Turn the main switch to the "OFF" position. 3 Remove the outer cover of the car. 4 Dray the engine oil. 5 Remove the negative wire of the battery first, and then remove the positive wire. 6 Remove the carburetor and automatically start the thickening valve wire.

The specific steps for motorcycle engine disassembly are to remove the carburetor first. When disassembling the carburetor, you need to unplug the plugs of each hose and wire first. Then you need to remove the spark plug cap of the motorcycle, remove the exhaust pipe, and then remove the air filter.

How to disassemble and install the three-wheeled motorcycle engine and separate it from the drive shaft?

Remove the bearing cover.Unplug the opening pin of the bearing. Remove the screw limit card cover of the bearing. Unscrew the screw that fixes the bearing. Remove the flange and bearing. Install a new bearing. After covering the flange, screw on the fixing screw. Install the card pin.

First, remove the centrifugal machine filter, then pull out the clutch putter and the separation bearing, and finally remove the spring with the spring clamp. The clutch can be removed as a whole.

The principle is also different depending on the engine. I'll just say it briefly. There are two shafts in the engine: the main shaft and the auxiliary shaft, also known as the active shaft and the drive shaft.

The method of replacing the auxiliary axle of a tricycle is as follows: align the main and auxiliary gear shafts and load them into the left box of the engine, and then load the variable speed drum and fork. Put the fork head of the fork into the main and auxiliary shaft gear grooves. Pay attention to the left, middle and right signs on the fork. Don't install them wrongly.

How to connect the three-wheeled motorcycle engine and the transmission shaft? Cylindrical gear transmission. For the upper camshaft and the lower camshaft, the gas valve mechanism mostly uses cylindrical timing gear transmission, and the crankshaft gears mesh with the camshaft gear through the intermediate gear. The timing gear uses more helical teeth to ensure smooth meshing and reduce noise.

In this case, if the telescopic spline stroke of the transmission shaft is not enough, the reverse gear must be removed, and the reverse gear is not difficult to remove five screws.

What is the assembly process of cylinder disassembly in Honda CG engine?

1. If you want to remove the four long screws of the Honda CG125 fixed cylinder head and cylinder block, you can find two M8 nuts and put themScrew it to the thread above the screw, then tighten the two screws together, and then tighten the nut below in the direction of unloading, so that the screw can be removed from the engine box.

2. The whole process of the automobile engine assembly line is as follows: the bottom of the cylinder block is facing down, the cylinder block, crankshaft, camshaft feeding, cleaning, blowing, diesel engine model, marking printing. After the cylinder block is flipped 180°, type the number to confirm. After the cylinder is turned over, the bottom of the cylinder is facing up.

3. The steps to reassemble the four-stroke gas distribution mechanism are as follows. 1 All parts must be cleaned before assembly, and all oil channels and oil holes must be blown with compressed air (cylinder). 2 Apply lubricating oil to all relatively moving parts to avoid dry friction during the initial operation of the engine.

4. The installation process is as follows: clean the piston ring groove before installation.Turn the side marked with the English alphabet towards the piston head. When installing the piston ring, the notch should not be on the same line, and the opening should be staggered at least 120 degrees. Turn the end printed with IN on the piston towards the air intake, and the arrow marked towards the exhaust port.