hello i have mehran 98 model i want to know that its reducing OIL. if its standing for 3 4 days and i start it gives little smoke for 2 3 mins then afterwards its ok and if i run it daily there is no smoke and oil reducing is not that much but i think the rings are weak should i go for engine overhaul or some other option please help.
get valve seal and ring repalcement if u r using 20 50 grade oil then only option left is overhual
Check rings and valve seals.
Actually you can add stp oil and it will let you squeeze some more kilometres but its actually cheaper to overhaul
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get a compression test done, all things will be clear. you might only have to rebuild the head of the engine, assuming from your given description.
Personally, I would just drive it till the oil consumption exceeds 1liter per 3000 kilometers.
its consuming more then this .. around 1 ltr per 1800 - 2000 KM almost so you say i can go for compression check where will it be done and what will be the cost.
Since you live in Karachi, some one else should be able to guide you better
Charges are usually nominal for the test and are adjusted with the labour charges if you get the engine rebuilt from them.