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How to change the coolant in a motorcycle?

28th January 2021
"Important and easy!"

Your coolant needs periodic attention as do other devices on your bike. A lot of drivers postpone or forget coolant adjustment but it's as simple as adjusting your coolant oil, and it's necessary to keep your cooling system top.

coolant

Things needed

  • Fresh coolant 
  • Manual(so you know how much to put in)
  • Distilled water for flushing
  • Screwdrivers and Allen Keys
  • Sockets or ring spanners to remove the main drain bolt
  • Drain pan to catch the coolant, and a few rags just in case
  • Funnel 

How to change the coolant in a motorcycle?

  • Always start with a cold engine. You don’t want to get burned by the hot radiator. 

  • Under the water pump, place your drain pan. Not sure where it's in your pump? Simply follow the hoses. Locate your coolant drain plug, usually a tiny bolt on the water pump cover at a low point, and detach it.

  • The coolant will dribble out. Unscrew the radiator cap, and it can greatly speed up the flow.

  • Check your hoses for cracks or stiffness as you wait for the old coolant to clear, and get your new coolant ready to go. Carefully read the bottle: pre-diluted coolant can go straight in, but you'll need to blend the concentrate with distilled water otherwise. Avoid the desire to use normal tap water, as the cooling machine can not play well with minerals and other garbage.

  • The reservoir tank is the last task to be flushed. Typically you want to clean some of your old coolant that is trapped inside a transparent plastic tub near the engine or on your tail.

How often should I change the coolant on my motorcycle?

Since its performance disintegrates over time, the motorcycle coolant should be adjusted at least every two years. The usual causes of this are aluminum corrosion or changes in the fluid-to-coolant ratio. The solution should be kept as alkaline as possible, which is why particular ingredients are used in most coolants to help achieve this. These, however, will be less efficient over time.

Can you put regular antifreeze in motorbike?

We advise you not to use regular/car coolants on your motorcycle because they can end up causing your bike expensive damage and even affecting its performance. If you need to use a car coolant on your bike, make sure that the antifreeze contains ethylene glycol and does not contain silicates in the ingredients mentioned.

Does motorcycle coolant go bad?

Yup! The engine refrigerant can go bad. Older fluid can cause acid accumulation, corrosion, or scaling may contaminate it and may have decreased resistance to boiling and freezing. Deteriorated coolant/antifreeze can cause your engine to run hotter than normal or prevent colder temperatures from starting the engine.

Images: RMJ Ltd

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What is Hill Start Assist? How does it work ?

29th February 2020
"What to do when you are in traffic on an inclined road?"

Imagine getting stuck in a traffic jam on a steep road. You have vehicles in front of you and behind you, and the road is inclined. You can’t accelerate hard enough for the car to move forward because of the car in front of you. And if you give less power, chances are that you would hit the car behind you.

Hill Start Assist

What to do when your car is stopped on a steep road?

You need a Hill Start Assist.

What is Hill Start Assist?

Hill Start Assist is a feature that helps prevent roll-back when starting up again from a stopped position on an incline.

How does Hill Start Assist work?

This feature can prevent rollback on an inclined road by holding the brakes while you switch between the brakes and hitting the gas. Some versions can also prevent your car from rolling forward on a decline.

What is the science behind Hill Start Assist?

Sensors in the vehicle are used to detect when a vehicle is on an incline. The hill start assist maintains the brake pressure for a set period of time as you switch from the brakes to the gas pedal. Once you press the accelerator, it releases the brake.  In cars with a manual transmission that has this feature, the hill start assist will also maintain brake pressure until the driver lets up on the clutch.

Hill Start Assist working

How to make Hill Start Assist work?

Continue to approach and drive up includes such as hills as you normally would. When stopping on an incline, such as at a stop light, hold the brake using the same pressure as you normally would. As you shift your foot away from the brake pedal momentarily, the car should remain stopped instead of rolling back slightly.

We have simplified it for you in three steps:

1) STOP ON A SLOPE

Come to a complete stop on an incline, such as a hill.

2) HOLD THE BRAKE

Continue to hold the brake as you remain stopped.

3) SWITCH PEDALS

Hill-start assist holds the brake for you while you switch your foot away from the brake pedal to begin driving again.

Hill Start Assist working

Tip: Be sure to be aware of your surrounding while attempting the hill start assist.

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What is Motorcycle Suspension? How does Motorcycle Handling Impact Suspension Squat?

11th November 2020
"A motorcycle suspension configuration comprises primarily two front telescopic tubes and a twin or single shock absorber swing arm mounted at the rear."

A motorcycle suspension configuration comprises primarily two front telescopic tubes and a twin or single shock absorber swing arm mounted at the rear. Nowadays, owing to its improved performance and sporty looking characteristics, a mono-shock or single shock absorber on the rear is favored in most motorcycles. The motorcycle suspension system mainly has two goals: to control stability and maintain balance during braking and, secondly, to provide support during bumps and uneven surfaces to the rider and pillion.

1. Front Suspension:

Conventional Telescopic Forks:

The most prevalent type of front suspension is telescopic forks. The setup is very basic and takes the form of long hydraulic tubes fitted internally with a coil. In a T-clamp, the top of these forks is attached to the motorcycle's frame whereas the other end is fitted to the axle of the front wheel. In the event of road flaws, the lower part of fork bodies slip up and down the fork tubes and thus absorb the vibrations. In order to ensure the texture of operation, the interior is filled with oil and is sealed inside with an oil seal.

 

Upside Down Forks (USD):

Inverted or upside-down forks are nothing like inverted-set traditional telescopic forks. In these, although the tubes are at the bottom, the slider bodies are at the top section. These are mostly used in high-end motorcycles now for a few days, as they lower the overall unsprung weight of the motorcycle alongside growing torsional rigidity, resulting in better handling.

 

Important Terminologies:

Preload Adjustment:

This relates to the system used for changing the original suspension angle for the weight of the motorcycle and the rider acting on it.

Fork Damping:

Because of the impact of reducing, minimizing, or stopping the oscillations, it is an influence between forks.

Brake Dive:

The additional pressure on the front wheel forces the front end of the bike to go lower as the brakes are applied, resulting in fork contraction. This drop-in fork length is known as the Brake Plunge.

 

2. Rear Suspension:

Previously, the rear suspension was not used in motorcycles and only front forks ensured the consistency of the ride. However, manufactures have been implementing rear suspension with the advent of technologies and are still in use today. The key elements of the rear suspension system are the swingarm and coil springs.

 

Swingarm:

A motorcycle swingarm can be considered to be a quadrilateral section of a motorcycle in which the shorter side is attached to the chassis of the motorcycle and the rear wheel axle around which the wheel spins is bolted on the other side. The swingarm is only available on one side on certain bikes and is considered a single-sided swingarm. Although it brings the convenience of separating the rear wheel without much effort, it raises the rear suspension's unsprung weight. That's why there is no traditional use of a single-sided swingarm. Two kinds of suspension are essentially used for a swingarm:

 

Twin shock absorbers:

It refers to two shock absorbers at the backside of a motorcycle, as the name implies. Firstly used in the 1970s and 80s off-road bikes, these offered an advantage of improved rear wheel movement because of which they were highly adopted.

 

Mono Shock Absorbers:

As time progressed, for several reasons, manufacturers decided to introduce mono-shock absorbers in their motorcycles. It was discovered after studies that mono shocks provided a lot better performance than traditional twin shock absorbers. A single shock absorber is attached to the motorcycle's frame from the swingarm in this configuration. It is not directly attached to the swingarm, but instead uses a connection that helps to provide the rear with an increasing degree of damping. In comparison, mono shocks more easily extract torque from the swingarm, have improved handling and reliability, and are simpler to modify than twin shock absorbers when only one unit is used.

How does Motorcycle Handling Impact Suspension Squat?

If a motorcycle were to squat down in the rear while you started to drive from a corner, you would attempt to steer into the turn and the bike would drift to the outside, taking the weight off the front, which would not steer as well as before. At the conclusion of the session, when you got into the pits, you can ask the crew chief for a solution.

In a correctly built motorcycle, the force that opposes squat comes specifically from the drive chain, which is not parallel to the central plane of the swingarm but at an angle to it. And an anti-squat force defines the tangent of that angle. When you learn that there is an adjustable swingarm pivot height for a certain sports bike, the feature is targeted at this problem.

You change the angle between the chain when it is close and the swingarm itself by changing the height of the pivot and therefore the drop angle of the swingarm, thus altering this anti-squat effect. You will propel out of the corner without squatting and pressing until the force is able to fully balance the weight change induced by acceleration.


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How to clean air filter in motorcycle?

27th January 2021
"Be the master of your own air filter!"

Air filter repair is very simple, but it varies from bike to bike. Most bikes have replaceable filters nowadays, which means that if you pop the old one out, you only have to bring the new one in and you're golden. The hardest part may be to get to the filter itself.

If the airbox is under a panel on your bike, you're in for a little bit of effort, but you're usually a few screws away from where you need to be.

If your airbox is under your fuel tank, then you have some extra moves, but nothing that an inexperienced enthusiast in motorcycle mechanics can comfortably accomplish.

 

air-filter

Parts you want to remove 

A basic marking device may be used for wiring or fuel lines-whether you need to maneuver through them. You will often correctly assemble it by either using colored tape-blue to blue, red to red-or by assigning them names. Regardless of how large or small a mess you make, what you're going to have to do in the end is just match colors or titles. Needless to mention, if you need to open fuel lines, tip the open line upwards to stop spillage, cover the open portion of the fuel line, if necessary, so that no debris gets on the line, and use sufficient eye and hand protection.

How to clean 

Once you get to the air filter if it's a replaceable one, pop in the new one. Now, with soap and water, you can either use a special brand cleaner or try your luck followed by a good dry clean with compressed air. Before mounting it, always bear in mind that certain air filters need you to spray them with oil. Cleaning the air box is always a good practice when you stick the fresh or washed filter back up.

Be careful with the fuel

Since, when you are cleaning the filter, when you open the filter fuel might pop up. Fuel is extremely dangerous for our skin and eyes. So be careful while opening the air filter. You don’t want to regret it later, don’t you?

Reassemble the parts

Now after you clean the filter. Just like how you broke down the parts in order to clean the air filter to the same. Make sure not to miss any screws while reassembling your motorcycle. Otherwise, it might be very costly later on.  

When to clean the air filter

On average, any time you change your motorcycle engine oil, I would advise you, but there are exceptions. It's not a bad idea if you clean or check your filter once every 2 or 3 months if you live in heavily contaminated or sandy areas and ride on a consistent basis.

You can also feel the need to clean it during your adventure, depending on the sandstorms and dust clouds from other bikes.

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