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piston ring gumming and contamination. What to do?

Piston ring gumming problem has become especially typical because of new technologies used in engineering industry. Gaps between the piston rings and grooves have become narrower. Any thin layer of deposits causes failures in engine operation. As a consequence there is a loss of pressure, increased oil consumption, accelerated engine wear and tear and expensive repairs.

BIZOL Oil System Clean+ o90

ATTENTION! Never use it for motorcycles with a wet clutch.


The additive is used to clean the oil system when the engine oil is replaced:

  • will provide ‘soft' oil system cleansing
  • will prevent piston ring gumming
  • removes deposits and high-temperature sludge from engine
  • is compatible with all engine oils available commercially
  • is advisable to use it at each oil change for all petrol and diesel engines

BIZOL Oil Life+ o91 (New)


  1. extends the oil life
  2. increases the engine service interval
  3. protects against wear

Product Description

BIZOL Oil Life+ o91 is an engine oil additive Made in Germany especially developed to prolong the oil change interval. Highly effective lubricity improvers protect the engine from oxidation and corrosion and increase the total base number (TBN) up to 15 %. BIZOL Oil Life+ o91 reduces oil aging and protects against friction and wear. This results into an increased service life of the engine.

Available Packages

Article Nr.Size in Litres
8891 (New)250 ml

How to use

A 250 ml can is efficient for up to 7.5 litres of engine oil and can be used at any time between oil changes. After adding, please run the engine to reach its normal operating temperature. Not suitable for motorcycles with wet clutches.

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