The Motul Transoil Expert 10W40 is a semi-synthetic gearbox oil bursting with superior oil technol...The Motul Transoil Expert 10W40 is a semi-synthetic gearbox oil bursting with superior oil technology and features. It is formulated with Technosynthese lubricant and reinforced with synthetic base stocks, providing very easy gear shifting and high resistance in extreme conditions (pressure, temperature). Its high viscosity at high temperature (SAE 40) and specific additivies ensure gear protection, prevent clutch slippage for better transmission efficiency, and maintain clutch discs clean. It also offers Extreme Pressure, Anti-wear, Anti-corrosion, and Anti-foam properties. This Ester-based technology allows for very slick, fast gear shifting and is fully compatible with modern clutch friction materials.
This guide is for motorcycle owners seeking a high-performance lubricant to protect and optimize their transmission. The **Motul Transoil Expert 10w-40** provides superior wear protection and ensures smooth gear shifting. However, it is specifically formulated for motorcycles requiring a 10w-40 viscosity, so always confirm your motorcycle's specifications.
All features
Model Part Number
105895
Brand
MOTUL
Extended Product Information
FAQs
Can I use Motul Transoil Expert 10w-40 in my motorcycle's engine?
No, this product is specifically formulated and optimized for motorcycle transmissions only. It should not be used in the engine. Always use an engine oil that precisely meets your motorcycle's engine specifications and classifications.
How often should I change my motorcycle's gear oil?
The recommended gear oil change interval varies significantly by motorcycle model and riding conditions. Always refer to your motorcycle's owner's manual for the precise maintenance schedule. Generally, intervals might range from every `10,000` to `20,000` miles or annually, but consult your specific manual.
What does 'Ester-Based Formula' mean for my motorcycle's transmission?
An ester-based formula utilizes synthetic esters as a primary component in the base oil. Esters are known for their exceptional lubricating properties, high film strength under pressure, excellent temperature stability, and ability to adhere strongly to metal surfaces, providing superior wear protection compared to conventional mineral oils.
My motorcycle's manual recommends a different viscosity, such as 80w-90. Can I still use this 10w-40 oil?
It is crucial to strictly follow your motorcycle manufacturer's recommendations for gear oil viscosity. Using an oil with a different viscosity (`e.g., 80w-90` when `10w-40` is specified, or vice versa) can lead to improper lubrication, increased component wear, inefficient shifting, and potential transmission damage. Always use the specified viscosity.
Is this Motul Transoil Expert suitable for motorcycles with wet clutch systems?
Motul Transoil Expert 10w-40 is designed specifically for motorcycle transmissions, which are typically separate from the clutch in applications where this type of oil would be used. For motorcycles with a wet clutch that shares oil with the engine, you would typically use an engine oil that is also JASO MA or MA2 rated, which this product is not.
What are the advantages of using a specialized gear oil like this over a general-purpose oil?
Specialized gear oils like Motul Transoil Expert are formulated to withstand the extreme pressures, shear forces, and specific lubrication requirements unique to motorcycle transmissions. They offer dedicated protection against wear, pitting, and foaming within the gearbox, ensuring smoother shifting, greater efficiency, and a longer lifespan for transmission components than a general-purpose lubricant could provide in this specific application.
How can I accurately check my transmission fluid level?
The exact method for checking transmission fluid level varies significantly by motorcycle model. You must consult your motorcycle's owner's manual for precise, step-by-step instructions, which usually involve checking a sight glass or dipstick located on the transmission while the motorcycle is on a level surface.
Troubleshooting
Gear shifting feels unusually stiff or notchy after an oil change.
First, verify that the correct viscosity (`10w-40`) and type of oil was used as specified in your motorcycle's manual. Then, check the transmission oil level carefully; both underfilling and overfilling can negatively impact shifting performance.
Unusual grinding or whining noises are coming from the transmission.
Immediately check your transmission oil level. If the level is correct and the noise persists, it may indicate a more significant internal mechanical issue. It is recommended to consult a qualified motorcycle mechanic promptly.
Oil leaks are observed around the transmission drain or fill plugs.
Ensure that both the drain and fill plugs are tightened securely to the manufacturer's specified torque settings. Confirm that a new drain plug crush washer (if applicable) was installed correctly during the oil change. Inspect the transmission casing for any visible cracks or damage.
Pros and Cons
Pros
Enhanced transmission durability and longevity.
Noticeably smoother and more precise gear changes.
Excellent protection against wear, corrosion, and foaming.
Suitable for a wide range of operating conditions (daily commuting to extreme racing).
Advanced ester technology for superior lubrication and performance.
Cons
Specific 10w-40 viscosity means it is not universally compatible with all motorcycle transmissions.
Not intended for use in motorcycle engines; strictly for transmissions.
Requires proper, environmentally responsible disposal of used oil.
Setup, Compatibility & Care
Setup Instructions
Consult Your Manual: Always refer to your motorcycle's owner's manual to confirm the recommended gear oil type, viscosity (ensure `10w-40` is specified), and the exact capacity required.
Drain Old Oil: With the engine warm (to allow oil to flow easily), position a suitable drain pan beneath the transmission drain plug. Remove the drain plug and allow all the old gear oil to drain completely.
Replace Drain Plug: Install a new crush washer (if recommended by the manufacturer) and securely re-install the drain plug. Tighten it to the torque specifications provided in your manual.
Refill with New Oil: Locate the transmission fill plug. Using a clean funnel, carefully add the new Motul Transoil Expert 10w-40. Add oil slowly to prevent overfilling, checking the level frequently via the sight glass or dipstick as per your manual.
Secure Fill Plug: Re-install the fill plug, ensuring it is properly seated and tightened to specifications.
Compatibility
This oil is specifically formulated for motorcycle transmissions that require a `10w-40` viscosity gear oil.
Crucial: Always cross-reference with your motorcycle's owner's manual to ensure `10w-40` gear oil is the correct specification for your model.
It is not suitable for use in motorcycle engines or transmissions requiring different oil viscosities or types of lubricants.
Care & Storage
Store any unused Motul Transoil Expert in its original, tightly sealed container in a cool, dry place, away from direct sunlight, extreme temperatures, and open flames.
Keep the product out of reach of children and pets.
Responsible Disposal: Never dispose of used gear oil by pouring it down drains or onto the ground. Used oil is a hazardous waste. Take it to an authorized oil recycling center or a designated automotive waste disposal facility in your area.