Chief Oil
Yacomi TCW-II

Yacomi TCW-II

Yacomi TCW-II
Yacomi TCW-II


- easy self-mixing
- mixing ratio : typically 1 : 50, verify manufacturer's prescriptions
- clean engine inside and less deposits on the inlet and outlet ports
- effective protection against corrosion and wear
- does not contribute to preignition and/or spark plug fouling
- so-called ashless lubricant formulation
- offers outstanding detergency.
- relatively low pour point for product suitability in low temperature conditions

* Approval not requested


This Technical Datasheet is considered being accurate at the date of printing. It has been compiled with the utmost care, but Chief Oil International B.V. cannot accept any responsibility for damage, of any kind, that may be caused by using these data or the product concerned. The information in this publication may not be considered as any guarantee of specific properties.

Yacomi TCW-II

Description: Superior quality two-stroke engine oil, self mixing, ash less type essentially for use in outboard engines and other water cooled two-strokes. Also suitable for a number of air cooled type two-cycle engines.

Application: Outboard engines, water scooters, motorcycles, mopeds and scooters, mobile/portable generators, lawnmowers, chain saws, ATV's ... etc. that are two stroke engine driven, operating on premixed gasoline or with a separate lube oil injection system.


NMMA (formerly BIA) TC-WII and TC-W

Typical analysis

Density at 15°C  :  0.871
Viscosity at 40°C  :  41 cSt
Viscosity at 100°C  :  6.8 cSt
Viscosity index  :  122
Pour point  :  -24°C
Flash point  :  100°C
TBN  :  7 mg KOH/g
Colour  :  Blue
Sulphated ash  :  Nihil



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