
When you think of a GPZ900R, you think of Tom Cruise, right? *That’s a bit dated—actually, quite dated.
We received a request for an inspection and Deco-mainte. (‘ω’)ノ


The tires are from 2019–2020, so there’s no issue yet.



The front disc is something we should think about replacing soon.


Let’s check the spark plugs. As is typical with GPZ models, they were all rusty.

It has a special technology installed, and there’s an unusual terminal cap (a long one) fitted.
I didn’t know such things existed…

We’re replacing the DR plugs with JR plugs.
JR plugs are a performance upgrade, so choosing them is the better option.
*Though the difference is hard to feel…
We used an NT4245 terminal cap.

You should change the coolant once every two years.
Older bikes rust more easily. *Once rust starts, it’s a constant battle against it.


We replaced the radiator cap with an NTN P541A. This size fits almost all motorcycles, so keeping it in stock is a good idea. (For bike shop owners)


We adjusted the carburetor synchronization.

The air cleaner fell apart just from touching it, so we’re replacing it.

Fuses don’t cost much, so we’re replacing all of them. (‘ω’)ノ

We cleaned and lubricated the chain.


We cleaned and lubricated both the left and right levers. More to come! (‘ω’)ノ
