HS code-driven portfolio diversification

List of catalogs of this article:

• 1, Is the Tianhong 90 engine imported?
• 2、Is the Honda 90 motorcycle engine a chain or a top rod
• 3, Which is better, Honda lawn mower gx50 or gx90
• 4, What grade of oil should be used for the Honda four-cylinder 90-horsepower speedboat engine

Is the Tianhong 90 engine imported?

No, it's domestic. Tianhong 90 is domestic. Tianhong 90 is generally the engine of Big Louis, and there is also another Taiwanese-made Jinfeng 90 designed by Yamaha. Both models are produced by it, but other manufacturers are much worse. At that time, the most powerful was Jialing. Jialing began to produce (imitate) itself, and it imitated Japanese Honda in those years.

Tianhong 90 was produced by the former Tianjin Honda.Adopting a non-electric start-up 90CC imported Honda engine, 12V circuit, it is a well-known model in the 1990s. The engine noise is low, the fuel consumption is low, and the quality is reliable. However, its body is not designed by Honda, but was produced by the East German production line introduced by the former Tianjin Xunda factory.

Yes. According to the query of Pacific Automobile Network, Tianhong 90 was produced by the former Tianjin Honda, using an imported Honda engine with no electric start 90CC.

Tianhong 90 was produced by the former Tianjin Honda. It adopts an electric-free start-up 90CC imported Honda engine and a 12V circuit. It is a well-known model in the 1990s. Its body was not designed by Honda. It was produced by the former Tianjin Xunda factory introduced the East German production line. This car was sold for more than 10,000 yuan at its most expensive time.

Imported Tianhong 90Engine, the font of the engine number is obviously different from that of the domestic engine, and the row of engine codes above the engine number is also different, which is easier to distinguish. For example, the following two engine models are imported for reference.

Honda 90 motorcycle engineWhether it is a chain or a top rod

The chain machine will have a chain tensioner on the cylinder or engine box, but the top rod machine does not; the top rod machine will have a round rocker arm shaft on the left side of the cylinder, but the chain machine does not, which is the most important sign to distinguish these two models. Honda's top bar machine has lower noise and vibration than similar models of other brands.

The advantages of the top bar machine are that the price is relatively low, the accessories are also slightly cheaper, and the versatility is strong. The torque is good at medium and low speeds, and the load can be loaded, but other than that, there are no advantages.

The difference between the motorcycle chain machine and the top rod machine lies in the transmission mode of the internal valve and crankshaft of the engine. The chain machine uses a time chain to connect the crankshaft and the camshaft, so that the valve can carry out inlet and exhaust work under the rotation of the camshaft.

There are many models of Wuyang Honda motorcycles, among which the pedals and bending beams are chain machines, and there are top rod machines and chain machines for cross-riding bicycles. The top rod machines are all old and low-end models, and high-end models and most new cars are chain machines.

Which is better, Honda lawn mower gx50 or gx90

1. kilowatt. The Honda GX50 lawn mower is the most powerful, the most stable, the lowest failure rate and the most fuel-efficient among all machines. The maximum power of the Honda GX50 lawn mower is 47 kilowatts.

2, gx50. The blade of 50 is easier to use than 35. The 50 type installs the blade by itself and starts to work, while the 35 blade is generally fixed. 35 is transmitted by bearings, while 50 is transmitted by eccentric wheels.Mowers are also known as weeding machines, lawn mowers, lawn trimmers, etc.

3. Hello, Honda Wang. Performance: The Honda King Mower has been successfully transformed and developed in the predecessor of the Honda Mower. When mowing, the surface of the ground is cut very cleanly. When encountering foreign objects, it will automatically avoid and will not roll up the soil. Although the engine speed is easy to operate and control, the surface of the ground is not clean when mowing.

4. It is more powerful than Yamaha in terms of power, and the noise is also smaller. Save fuel. When the resistance is too great or when it encounters an obstacle, the blade swings back is more sensitive than Yamaha's.

What grade of oil should be used for the Honda four-cylinder 90-horsepower speedboat engine

1. Honda is divided into various models, and the oil used for different engines is also different for different models.

2. Which model of oil is better for Honda (what model of oil is better for Honda cars)? SL and SM models of oil for Honda cars are fine, just follow the models recommended by the product maintenance manual. The viscosity of the oil can be adjusted according to the region and season. In summer, it should be used with higher viscosity and in winter with smaller viscosity.

3. Speedboats generally use Yamaha engine oil, that is, engine lubricating oil, which is known as the "blood" of the car, which can lubricate, clean, cool, seal, reduce wear, prevent rust, prevent corrosion, etc.

4. If there is no oil of the same level, you can choose a higher level. The choice of viscosity; the choice of automobile oil viscosity needs to be determined according to the driving environment. Multi-level oil for winter and summer can be selected, which will make the car owner more worry-free.

5. Honda Ellison uses Mobil 5w40 fully synthetic oil.The owner checks the oil condition every 5,000 kilometers and changes the oil every 20,000 kilometers. The main function of engine oil is to lubricate the engine parts of the vehicle to prevent dry friction between the parts.

6. Distinguished by the type of engine intake, there are two types of engines, one is a naturally aspirated engine and the other is a turbocharged engine. Semi-synthetic oil can be used for naturally aspirated engines, but the replacement cycle of semi-synthetic oil is a little shorter than that of fully synthetic oil. Therefore, if the budget is sufficient, it is recommended to use fully synthetic engine oil.