NW Oil Co. is a well-established, ISO certified manufacturer, supplier, exporter and marketer

Small Engine Oils

Small Engine Oils

4-stroke and 2-stroke Engine Oils (4T and 2T)

Small engine oils, typically air-cooled and sometimes liquid-cooled, often labeled as 4T (four-stroke) and 2T (two-stroke), are specifically formulated to meet the lubrication needs of different types of small engines commonly found in:
  • Motorcycles,
  • Scooters,
  • Outboard marine engines,
  • Jet skis,
  • ATVs,
  • Lawn equipment, and
  • Power equipment.

4T (Four-Stroke) Small Engine Oils:

As the name suggests, these engine oils are designed specifically for four-stroke combustion cycle engine.

The 4T engine oils are much closer to PCMO gasoline engine oils than their 2T counterparts which have a two-stroke combustion cycle.

Typically, 4T engine oils’ performance specification is stated as a combination of API specification and JASO (Japanese Automotive Standards Organization) standards. Such as, ‘API SL / JASO MA2’ where the SL specification exerts control over the lubrication, detergency, wear protection, corrosion control aspects amongst several others, the MA2 standard signifies the frictional capability of the lubricant as it is a crucial component in a 4T lubricant due to the common engine, gearbox, and clutch lubricant design.

In 1998 JASO categorized two kinds of oils—MB and MA. MB oils are the lowest friction oils as there application is isolated to engines only and do not have required frictional properties of the MA specification which is designed for a common engine, gearbox, and clutch lubricant. MA specification was further divided into MA1 and MA2 category in 2006.

Improvement in Frictional properties to enhance clutch performance:

2T (Two-Stroke) Small Engine Oils:

Two-stroke gasoline engines require oil to be mixed with fuel for lubrication. This makes them vastly different from the 4T engine oils. Two-stroke engines are commonly air-cooled in smaller applications and water cooled in outboard marine application.

 Improvement in Smoke reduction, Lubricity, Detergency, Initial torque, and Exhaust choking:

Other Specification categories:

  • TISI
  • ILSAC
  • ACEA
  • NMMA (for outboard marine engines)

North Western Oil Company 4T & 2T Motorcycle Engine Oils are developed mainly for engine cleanliness and smooth gear changes to deliver optimum efficiency as well as peak performance. Thoroughly tested in the field, our range meets the requirements of all types of two wheelers / three wheelers and all engine types be it recreational or daily use in urban traffic conditions.

4T Product range includes : Fully Synthetic, Synthetic Blend, and Conventional products

4-stroke and 2-stroke Engine Oils (4T and 2T)
NLGI Number
EXTREME PRESSURE (EP) Lithium
MULTI PUPOSE (MP) Lithium
HIGH TEMPERATURE Lithium
EXTREME PRESSURE (EP) Calcium
MULTIPURPOSE (MP) CALCIUM
Non- Drip
Others
0
1
2
3
Others
4 STROKE & 2 STROKE Motorcycle Engine Oil API & JASO Specifications
MINERAL
SYNTHETIC BLEND
FULLY SYNTHETIC
S/n SAE Grades SN JASO MA2, MA & MB SM JASO MA2, MA & MB SL JASO MA2, MA & MB SJ JASO MA2, MA & MB SG JASO MA2, MA & MB SF JASO MA2, MA & MB 2T – API TC JASO FD 2T – API TC JASO FC 2T – API TC JASO FB
1 5W40
2 10W30
3 10W40
4 10W50
5 15W40
6 15W50
7 20W40
8 20W50
9 30
10 40

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We are committed to providing the most technologically advanced lubricants and greases that are suitable for varied applications and industries. We formulate and manufacture a full range of lubricants, greases, brake fluids, anti-freeze & engine coolants.

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