Honda SH
The Honda SH belongs to Honda’s premium scooter line, and especially the imported SH models from Italy are highly preferred by users in Vietnam despite their high prices. In addition to its attractive appearance, this scooter is known for its superior technology and durability, which has been proven over many years in the Vietnamese market.
However, due to the tough conditions and environment in our country, almost every Honda SH scooter will develop some problems after a period of use. Below, we will discuss some common issues that occur with the Honda SH and how to fix them.
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Head Shaking and Vibration when Riding on Rough Roads
This is a quite common issue, especially with the domestically-produced 2017 Honda SH models. Many users have complained about this problem on various social media platforms and forums. We have conducted some research and partially deciphered the cause of the issue during a conversation with Mr. T, a scooter mechanic on Giang Van Minh street. He explained that this problem is caused by the large plastic head design and the fact that it is only held by three screws inside the scooter’s head. When the scooter encounters bumps on the road, the head shakes, resulting in a collision with the handlebars and creating noise. To fix this issue, the scooter’s head needs to be disassembled, the screws tightened, and additional cushions placed between the plastic head and the handlebars, as shown in the images below.
Loss of Power and Difficult Starting
There could be two main reasons for this issue:
Firstly, it could be due to a dirty or clogged fuel line, a faulty fuel injector, or a weak fuel pump. To fix this issue, you should take the scooter to professional scooter repair shops to have the mechanic inspect and clean or replace the necessary parts.
Secondly, it could be caused by a problem with the camshaft and valve. In this case, the camshaft needs to be checked and replaced if necessary. If the camshaft is worn out, it will cause the valves to not open and close properly, leading to irregular and inaccurate fuel intake and exhaust, resulting in a loss of power.
Engine Noise, Increased Fuel Consumption, and Overheating
This issue often occurs when the scooter’s air filter is not regularly cleaned or replaced, resulting in a dirty and clogged air filter. As a result, less air enters the carburetor, causing an excess of fuel without optimal combustion efficiency. To solve this issue, the air filter should be cleaned or replaced.
Coolant Boiling
This issue can have various causes, and it is extremely dangerous. If you experience this problem with your scooter, you should immediately have it checked at reputable scooter repair shops. Some possible causes include a faulty radiator fan, a leaking radiator or coolant hose, or a malfunctioning water pump.
Backfire when Throttling Off
This issue occurs in all Honda SH scooters, but it’s usually just a minor backfire sound caused by the exhaust gas processing system when there is excess unburned fuel. If the scooter is heavier than usual, it could be due to clogged air hoses or dirty air filters.
Difficult Starting
After a period of use, most scooters will experience difficulty starting due to worn-out starter brushes. To fix this issue, simply take the scooter to a motorcycle repair shop and ask the mechanic to replace the starter brushes, which usually cost around 150,000 VND. Note that in these cases, the mechanic may also suggest replacing the battery, but it is not necessary if the battery is still in good condition.
Sound from Dish and Clutch
This issue is quite common in Vietnamese versions of the SH scooters. Some users have complained about this issue on the otofun forum in relation to their SH150i 2017 model, stating that the muffler makes a loud noise when the scooter is moving.
The main cause is the poor manufacturing quality of the domestic muffler and the fact that the three-prong and bell-mouth are covered in dirt after a period of use. To fix this issue, the muffler needs to be disassembled, checked, and cleaned or replaced if necessary.
In conclusion, with the Honda SH – a premium scooter line from Honda, it is essential to perform regular maintenance and care for your scooter at reputable scooter maintenance centers. By doing so, you can ensure the best and most satisfying performance of your scooter.
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