air box rebuild step by step with photos?

[MR.D]

hey guys well i found a set of carbs but now i am having to make one air box out of two is there a link or anyone have a air box step by step how t rebuild?

[TopCatGr58]

Follow this link to a diagram on BikeBandit.

http://www.bikebandit.com/houseofmot...m8239sch226684

You can also find one on the Official Yamaha Parts Fiche site:

http://www.yamaha-motor.com/sport/parts/home.aspx

[crazy steve]

The one thing you need to keep track of is which inlet/velocity stack is which. They only fit 'right' one way; the inner two are the same, but the outer two are side-specific.

[MR.D]

well i think i got it all right. going to get lunch then try to put the carbs and box on. might have to take the carbs back of to clean.

[crazy steve]

Test-fit the airbox to the carbs before trying it on the bike...

[MR.D]

Test-fit the airbox to the carbs before trying it on the bike...

its a stock carb set

[crazy steve]

The reason I suggest a test fit is to make sure the inlets are all correct...

[mikubuilder]

I made a rookie mistake of taking those two philips screws from top bracket outand the other two on the sides as well and I tell you...if you're patient it's not too bad to put it all back in LOL

[MR.D]

I made a rookie mistake of taking those two philips screws from top bracket outand the other two on the sides as well and I tell you...if you're patient it's not too bad to put it all back in LOL

thanks. i did get the box on but now have other problems.

[crazy steve]

One other thing that should be mentioned when swapping carbs/airboxes; while the boxes all look the same and will interchange, there is one mechanical difference. The 78-79 carbs have separate float bowl vents that go to nipples on the airbox. The nipples are on all the airboxes, but aren't drilled on the '80-81 versions. So depending on which carbs/airbox you have, you may need to drill or plug those nipples...

[MR.D]

One other thing that should be mentioned when swapping carbs/airboxes; while the boxes all look the same and will interchange, there is one mechanical difference. The 78-79 carbs have separate float bowl vents that go to nipples on the airbox. The nipples are on all the airboxes, but aren't drilled on the '80-81 versions. So depending on which carbs/airbox you have, you may need to drill or plug those nipples...

tell me more maybe thats part of my problem. could ya give a ring

[crazy steve]

You've got the late carbs IIRC, so you don't need the vents. If the vents are open on the airbox, you should plug them...