Where can I find peep hole cover

They pretty common...
I'll check the part number they might even be the same as cb valve ports??
Have you cross checked the part number...??
I can do if u unsure how...

Yah...you can get it Oem..was used in models up to 2021
Part no.12361-035-000

Awesome, was pretty worried when I couldn’t find if

You'll need the o-ring, too. I think it's a separate number.

Randall-in-Mpls said:

You'll need the o-ring, too. I think it's a separate number.

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luckily I somehow still managed to keep track of the O-Ring. I took it out to clean out the channel and give it a little grease love so it's in a dish. I might replace with one from work though.

BTW: The same cover is used in 3 places on these bikes, the timing port (what your pic shows), the hole on the front engine cover for using a wrench to turn the engine and the oil filler on the final drive.

I didn’t realize oil filler on final drive was also the same cover, interesting

Honda are very good at finding new uses for parts designed for other models. Imagine how many more parts they would have needed to stock if they created something different each time....

I’m hoping they did this for seals too. I’m about to tear engine down, but I need to find a good gasket and seal kit first

If you search on a good parts application like your local honda dealer app/revzilla youll find a list of where the parts are found and clickable links...
You should find orings are used in several applications....and the often used ones i suggest replacing each time its disturbed...usually yearly...

Dusty Suds said:

I’m hoping they did this for seals too. I’m about to tear engine down, but I need to find a good gasket and seal kit first

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Just a heads up..DONT be tempted to "teardown" the final drive if you have leaks....