The engine was washed with laundry soap. mini truck 

Seiji Kuze
Parts Cleaning Brush (Large) Made in Daytona
Cleaning Brush (Small) 36-357 Made in Straight
Dyson Toilet Brush
Miyoshi Soap Soyokaze 2.16kg
100-200ml soap powder and 6 Add 1L of hot water (about 0℃) and mix well.
After a few hours, the mixture will harden into a pudding-like consistency.
Easily removes stubborn oil stains such as sticky exhaust fans.
Mud stains are also decomposed powerfully, and come off so well that it is interesting to see how it works.
There is no harsh smell and it does not make you swell up.
I recommend it because it really comes off impressively well!
KURE Silicone Spray　
KURE Rubber Protectant (rubber parts protection spray)
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