Check your oil level precisely and easily!
Checking your motorcycle's oil level is a simple but essential operation once every thousand miles.
To make a precise check of this level, prop your motorcycle on its center stand. If it only has a side stand, make sure you set your motorcycle perfectly upright a few seconds just before reading the dipstick.
Most OEMs recommend running the engine two to three minutes so that the oil spreads throughout the internal lubrication circuit. After that, stop the engine, wait for a minute and read the level either using the dipstick or by looking through the little sight window on the sump. In the first case, unscrew the dipstick, wipe it, reinsert it without screwing, and then take a precise reading.
The correct level is located between the 'max' and 'min' marks, and must not be higher or lower. Too low a level of oil could cause serious engine damage for want of lubrication, whereas too high a level causes excessive pressure damaging the lubrication circuit and absorbing more power.
If the level is too low, add just the right amount, be careful to not add too much oil. Proceed in stages and always wait for a few seconds for the oil to descend into the engine sump.
To avoid introducing foreign bodies into the sump, especially fine dirt or sand, work in a clean area and clean around the dipstick or cap before unscrewing them. By following this advice, you can rest assured of safely riding your motorcycle.
Do not place blind faith in the oil display to make this check!
Motul lubricants are precisely formulated to take into account OEM's specifications and all the most recent approvals. They are therefore advanced products which perfectly meet all technical constraints. They comprise their own additives, selected for their qualities, and represent the best compromise between performances, protection and longevity.
Adding an additive would be like modifying your lubricant and endangering the longevity of your engine. On the other hand, regular, careful maintenance of course promotes longevity.
Last, motorcycle engine lubricant generally lubricates the gearbox and clutch and must be of precise and constant quality. All the Motul range of motorcycle lubricants perfectly meets these constraints, without any other additive being needed.
2-stroke - Injector
In 2-stroke engines, oil is directly injected into the engine and therefore entirely used up. The word sump is no longer used but reservoir, which must be filled, along with gas. A red display lighting up indicates a low reservoir level. If it begins to flicker, fill up the reservoir as soon as possible with a specific Motul oil for 2-stroke injector engines.
The fork, as the most important part of a motorcycle, it has the trickiest job of providing suspension for the front axle, thereby determining the comfort and quality of road behaviour and riding sensations.
Whether upside-down or not, the fork remains above all a hydraulic system. Each fork arm encloses a precise quantity of oil, which is forced, under compression, to follow a precise, calibrated circuit, thereby providing suspension for the front suspension. If the fork has adjustments, these directly influence the size of the oil passages so as to modify the characteristics of the suspension and rebound, for instance. Some motorcycles have an oleopneumatic fork, which additionally requires a certain air pressure to operate correctly. When adjusting this pressure, make sure to use a special pump. Never use a tyre inflator, which would be too powerful.
The most important element in a fork is of course the oil, which determines the motorcycle's road behaviour. As this oil is subject to high pressures and heating, it should periodically be replaced with a perfectly adapted quality. Replacing fork oil is no easy operation. It requires a large number of tools, especially to raise the motorcycle, and good knowledge of mechanics. Play safe and entrust this operation to a specialist.
On the other hand, you can choose the viscosity (2.5W-5W to 20W-30) which best suits your motorcycle and your style of riding. A fork that's a bit soft or too hard can thus be corrected to suit you.
Before replacing the oil, inspect the state of the 'spi' joints between the tubes and stanchions: if you detect the slightest leak, have a repair made before draining.
Fork oil is to be replaced every 6,000 to 10,000 miles or once a year.
A road motorcycle chain requires careful lubrication and adjustment every 2000 to 5000 miles. Two simple, but essential operations.
A chain is correctly adjusted when its sag, i.e. its vertical mobility, should be between 3/4 and 1 inch (not too loose or too tight) in the most central position between the gearbox output pinion and the rear wheel sprocket. Make this check with a rag and on the lower chain run (the upper chain run is generally protected). Also check wheel alignment: the index marks on both sides of the swingarm must be at the same level. If you can push the chain up more than 1 inch, it has to much slack and must be tightened.
To adjust its tension, you need a minimum amount of tools, usually to be found in the OEM's motorcycle tool case. To carry out this operation, which is always messy, choose a flat surface and prop the motorcycle on its center stand, if it has one.
1 – Loosen the rear axle (without removing the nut) and the tighteners to be able to move the wheel.
2 – Adjust the tighteners, by 8ths or 16ths of a turn simultaneously on both sides (you screw clockwise to tighten the chain in most cases). When the ideal adjustment is found, check the alignment once more.
3 – Tighten the locknuts, tighten the rear wheel axle and check once again the alignment of the wheel as it may shift during these two operations.
4 – After this adjustment, lubricate the chain with Chain Lube Road for road bikes, Chain Lube Offroad for offroad bikes or Chain Lube Factoryline for race bikes. Spray the inside of the chain, in other words the lower run and the little plates on each side. Check that all the length has been well treated and that no projections have reached the brake or the tyre tread.
For offroad applications the chains vertical mobility should be between 2 to 2 1/2 inches (not too loose or too tight) this can be checked with a rag and a measuring tape on the upper chain run behind the chain slider that protects the swingarm. Also check wheel alignment: the index marks on both sides of the swingarm must be at the same level. If you can push the chain up more than 1 inch, it has to much slack and must be tightened. After you have done your check follow the steps above to adjust.
Why a specific lubricant?
A chain lubricant is a product which must meet high constraints. It must be fluid enough to get between the chain rollers and plates. It must also be thick enough and adhesive enough to withstand high rotations. On top of that it has a water-repellent role, so you can see why oil or grease are ineffective solutions. Last, Chain Lube lubricants come in ideal aerosol packaging with a precision sprayer minimising overspray. To clean the chain, do not use a product that is to aggressive such as gas, which could attack the small rubber O-rings between the rollers. For this operation, the specially formulated Chain Clean cleaner is both effective and protective.
A perfect wash in 5 minutes!
Technology now allows you to complete this operation in a breeze and without tiring yourself. The secret to make your motorcycle or scooter look new is called Motul Wash, a biodegradable product specially formulated to effectively clean and protect all the metallic and plastic parts of your motorcycle.
As Moto Wash is to be rinsed off with lots of water, choose an appropriate place or one equipped with a pressure washer. In this case, avoid directly spraying the electrical parts, bearings and mechanical joints. In all cases, protect exhaust pipe outlets so as to avoid getting water in them.
Using its two-position sprayer, apply Moto Wash on the dirtiest part, especially around the chain. It's special formula easily dissolves lubricant residues without damaging rubber parts such as chain O-rings. Once you have applied Moto Wash, leave it for five minutes so that it has time to act and does all the work itself. Then all you have to do is rinse it off with plenty of water.