Modifications - Performance Discuss aftermarket and DIY performance modifications

Carb clean up

Old 11-17-2017, 06:17 PM
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Carb clean up

Havent seen too many pics of carbs being taken apart so I figured I show off a few pics of mine going from nasty to clean again.
Right now I have the front carb apart and soaking and the rear will be after. Ill have to get some gasket sets for the carbs to replace all the worn and flat o rings and such but ill snap pics as I go.

I also noticed that the carbs have adjustable needles. As its laying is how the washers were installed. Little on top of the clip and the larger under the clip. Its at slot 4 counting from the top. Is that ok?
Attached Thumbnails Carb clean up-20171117_193122.jpg   Carb clean up-20171117_193126.jpg   Carb clean up-20171117_193129.jpg   Carb clean up-20171117_194143.jpg   Carb clean up-20171117_194352.jpg  

Carb clean up-20171117_195535.jpg   Carb clean up-20171117_195541.jpg   Carb clean up-20171117_195546.jpg   Carb clean up-20171117_200028.jpg   Carb clean up-20171117_200033.jpg  

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Old 11-17-2017, 06:57 PM
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I may be wrong but I am gonna say that's not a stock needle. TMK adjustable needles are aftermarket like dynojet or factory (factory is a brand not the Honda factory).

The clip can be moved on the needle then the washers are half step spacers for fine tuning.

Your not soaking any rubber parts in carb cleaner are you? That will swell and destroy them. (guessing you know that but just to throw the info up here)
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Old 11-17-2017, 07:06 PM
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Thanks for the reminder but yes I know to put no rubber in the dip. Ive done a few bikes carbs and I love cleaning them up and tuned to perfection.
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Old 11-17-2017, 08:08 PM
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Front carb is done with its little bath and looks a fair bit better. I have maybe 4-6 orings that I need to buy before I call the front "done"
Rear is soaking now and will be cleaned up to the same point later.
Attached Thumbnails Carb clean up-20171117_215350.jpg   Carb clean up-20171117_215400.jpg  
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Old 11-20-2017, 06:06 AM
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Got the carbs cleaned the other day and put back together. New hoses were replaced where needed.
Just waiting for a sync fitting to come in and the choke fittings from CaryDG and I can get to syncing these and hopefully riding before the years out. Love FL "winters"

EDIT: I went 2.5 turns out on the A/F needle as a start. Ive seen 2.25 -2.5 so I figured it was a good starting point.
Attached Thumbnails Carb clean up-20171120_080115.jpg   Carb clean up-20171120_080122.jpg  

Last edited by Floyd; 11-20-2017 at 06:08 AM.
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Old 12-01-2017, 04:58 PM
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Well...
Got the parts in to tie the bike up and get it running again,
Got my new filters in and looking good.
Then...
The STUPID sync fitting snapped on me. I barely put any pressure on it and it snapped. Maybe 2in/lbs at best, like the pressure of a thumb and pointer finger turning it.
Soooo. Now I have to order a new one and wait a week before I can try again.

Also you can see the enrichener fitting snapped also. It seems to be a trend with the superhawk I think.
Attached Thumbnails Carb clean up-20171201_164928.jpg   Carb clean up-20171201_173559.jpg   Carb clean up-20171201_184333.jpg   Carb clean up-20171201_184818.jpg  
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Old 12-01-2017, 07:53 PM
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Thumbs down

Originally Posted by Floyd View Post
The STUPID sync fitting snapped on me. I barely put any pressure on it and it snapped. Maybe 2in/lbs at best, like the pressure of a thumb and pointer finger turning it.
Also you can see the enrichener fitting snapped also. It seems to be a trend with the superhawk I think.
HULK NO SMASH!!

Lol, hate when **** like that happens. Best to walk away for the day.
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Old 12-01-2017, 08:48 PM
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Yea I was upset that I snapped it after waiting a week to get it but oh well.
Im trying another style next.
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Old 12-02-2017, 09:50 AM
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Strange, I've installed dozens of those fittings and never had one snap off like that. Id run a tap in that hole before trying to install another one.

Not the choke fitting, ya they bust all the time.....Brass replacement from Jack Flash is your best bet. but an OEM one from Polaris and some simple mods can get you up and running as well. ..
Originally Posted by Floyd View Post
Well...
Got the parts in to tie the bike up and get it running again,
Got my new filters in and looking good.
Then...
The STUPID sync fitting snapped on me. I barely put any pressure on it and it snapped. Maybe 2in/lbs at best, like the pressure of a thumb and pointer finger turning it.
Soooo. Now I have to order a new one and wait a week before I can try again.

Also you can see the enrichener fitting snapped also. It seems to be a trend with the superhawk I think.
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Old 12-02-2017, 10:21 AM
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CaryDG is sending me some spare jack flash fittings so I got that covered (Thanks again CaryDG!)
And the vacuum fittings I ordered some other ones to try out since the Honda one snapped like a twig.
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Old 12-10-2017, 01:37 PM
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Thanks CaryDG!
I got the fittings this past week and just got home from travel and they are great pieces. I cant thank you enough!
Attached Thumbnails Carb clean up-20171210_153452.jpg  
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Old 12-11-2017, 06:06 PM
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Ok I got the carbs back on the bike with all the new fittings. I used my not so many force gauge and got them snug without snapping this time.

Question for you all. Do you sync your carbs with the air box on or off?
Im not sure I can get to the sync screw with the box mounted.
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Old 12-11-2017, 07:09 PM
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On, always, your syncing airflow between each carb.... cant do that it the air flow has been altered from how it will be in use.
Originally Posted by Floyd View Post
Ok I got the carbs back on the bike with all the new fittings. I used my not so many force gauge and got them snug without snapping this time.

Question for you all. Do you sync your carbs with the air box on or off?
Im not sure I can get to the sync screw with the box mounted.
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Old 12-11-2017, 07:50 PM
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Hmm alright I guess ill figure a way to get to the screw once the box is in place then.
Thanks!
Just have to pick up some more hose and I can sync the carbs and all and get to ride again!
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Old 12-12-2017, 05:34 PM
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I got the bike back together but there is no possible way to get to that sync screw with the airbox on let alone the fuel tank.
How are people syncing this bike? I had TONS of room when I had a Katana.
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Old 12-13-2017, 06:26 AM
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Access is from the left side,7mm 1/4" drive socket in a universal joint, 6" extension and a 1/4" driver handle. If the U joint you have is very loose (does not hold position) wrap it in a piece of electrical tape as you don't want the socket and U joint to flop all the way over.

Some people find removing the tank bolts and propping the tank up an inch or 2 gives a little more room.

Originally Posted by Floyd View Post
I got the bike back together but there is no possible way to get to that sync screw with the airbox on let alone the fuel tank.
How are people syncing this bike? I had TONS of room when I had a Katana.

Last edited by E.Marquez; 12-13-2017 at 06:31 AM.
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Old 12-13-2017, 06:28 AM
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Wow ok I guess ill give it shot and I should know by this weekend if it worked!
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Old 12-17-2017, 02:32 PM
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Got it fired up but not synced yet.
Here is a short vid.
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Old 12-22-2017, 05:30 PM
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Got the bike Synced and wow its a new beast!
Like going from 600cc to 1000cc!
It was WAY off.
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Old 12-30-2017, 07:21 PM
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The thanks goes to Jack Flash. I just Pay It Forward. Don't forget to set your TPS at 500ohms. It's easy, just search this forum for the "How To"
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Old 12-30-2017, 08:49 PM
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Ill have to check that and see what its at!
Ive never checked the TPS on this bike
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Old 12-31-2017, 12:16 PM
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My TPS is riveted on, does that mean that I cannot adjust it?
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Old 12-31-2017, 04:53 PM
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Originally Posted by Floyd View Post
My TPS is riveted on, does that mean that I cannot adjust it?
As the OEM considered it yes, they all come with a one way torque to release fastener.

You remove those and then use a button hex head fastener
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Old 01-02-2018, 01:27 PM
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Floyd, Most use a Dremel or somesuch, to cut a cross slot in the remaining screw head and use the appropriate driver to remove them. Then just replace them with the fastener of choice, socket head cap screw, etc. Adjusting the TPS cleaned up the low RPM surging and rough idle on my '98.
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Old 01-02-2018, 05:50 PM
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Ill get on this when its not ~20f at night.
Even in the garage its about 30f and thats too cold to work in for me.

Seems easy enough. I already have the 5mm bolts and all in stainless to go in there.
Im also going to relube my turn signal switch because the button sticks bad for right turn and cancel.
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Old 01-06-2018, 04:42 PM
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Got around to setting the TPS to .500 and man what a difference!
Stock was .917 FYI
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