Hmmmm! The oil over here in Japan sold by Honda is called GR2. I wonder if it is the same or similar. They have 3 grades, I can't remember the names exactly s. I used to use the ultra GR2 top grade at 1100 yen (about U$10, but I saw it in some shops 50-80% more expensive) and never had any complaints. But then if I used the lower grade I probably wouldn't either.


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MC28 SE -sold-
MC21 with RS250 engine -for sale-
MC21 race bike -soon for sale-