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fitting airbox tip

Started by Ponty, February 15, 2015, 12:00:13 PM

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Pat Conlon

Way back when I had my airbox, I used the subframe lowering trick all the time. It gave just enough clearance to get the air box back for removal...the problem I had was reinstalliation of the air box.
Yes, the carb boots were tricky but the real pain I had was reattaching the crankcase breather hose to the bottom of the airbox.
My solution was to remove the oem plastic airbox/hose fitting and install a threaded brass hose fitting.
This brass fitting was connected to the vent hose with a hose clamp...and the threaded end slipped into the hole in the air box and used a wing nut and washer *on the inside of the airbox* to snug up (finger tight) the brass fitting.
To remove the airbox I simply removed the airbox side cover, pulled out the filter panel and reached in with my fingers and unthreaded the wing nut, air box came out easy and was just as easy to reinstall.

Hope this helps...
1) Free Owners Manual download: https://tinyurl.com/fmsz7hk9
2) Don't store your FJ with E10 fuel https://tinyurl.com/3cjrfct5
3) Replace your old stock rubber brake lines.
4) Important items for the '84-87 FJ's:
Safety wire: https://tinyurl.com/99zp8ufh
Fuel line: https://tinyurl.com/bdff9bf3

Easterntide

Not to hijackthis discussion but can anyone link me out to the mods needed to the carbs after fitting pods? I (likely mistakenly) didn't got the UniPods from RPM but got some knockoff individual pods from a local seller.
My 91 has been repainted, has new graphics and a few other bits and bobs. We are presently in the middle of the largest snowfall in our recent history so still lots of time for tinkering...and asking questions here...

thanks in advance,
Don

FJmonkey

Don, its hard to tell from your bike image but it looks like you have an after market exhaust. If so, then you will be bumping the main jets up to 112.5 or possibly 115. You will need to get adjustable needles as you will need to raise them up a notch. Since you are already inside I highly recommend bumping the pilot jets up to #40. This will make the bike easier to start when cold and it idles better for me. And since you will run the risk of stripping out the soft fasteners on the carbs, order the SST fastener kit from RPM. And if you are doing all the fasteners, why not just rebuild the carbs so you know they are fresh and good for many more years of Kookaloo. How long has it been since you had your carbs serviced?

FYI, Randy at RPM rebuilds carbs, Mike here in San Dimas had them recently done and he is really happy with them.

Almost forgot, sell the cheep filters and get the UNI pods. The cheep filters are not likely to filter as well as the UNI's, and they can be washed and reused. Some brands tend to fall off, then you get zero filtering on that cylinder.
The glass is not half full, it was engineered with a 2X safety factor.

'86 Ambulance - Bent frame, cracked case, due for an overhaul
'89 Stormy Blue - Suits my Dark Side

Easterntide

Carbs were done in the fall. I'll give Randy and email and ask him to put a package together for me today :-)
the muffler is a F1R, so yes aftermarket.
image attached of new cheap pods and exhaust.

thanks as always.

FJmonkey

Once you get the carbs sorted and running again you will hear a new sound. It is a very nice sound, when you twist the throttle you will hear all four cylinders taking a big gulp of air. This induction sound is music and very addicting. Something the air box keeps to its self, greedy little PIA. Looking forward to your next post.
The glass is not half full, it was engineered with a 2X safety factor.

'86 Ambulance - Bent frame, cracked case, due for an overhaul
'89 Stormy Blue - Suits my Dark Side