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Arctic Cat 300 4x4 Build

  #11  
Old 02-07-2019, 01:10 PM
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The 10th digit of the VIN will tell you the model year. I am guessing it is a '98 model. A 'V', I think.
 
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Old 02-07-2019, 01:11 PM
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Originally Posted by Tanker_01 View Post
The carb looks brand new. I will try to use it instead of a new one. What are the two tube fittings for that the PO had connected to eachother?
Vent tubes.
 
  #13  
Old 02-07-2019, 01:13 PM
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Originally Posted by sr.ruedas View Post
Vent tubes.
So they definately should not have been connected... Awesome
 
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Old 02-07-2019, 01:58 PM
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Originally Posted by Tanker_01 View Post
So they definately should not have been connected... Awesome
They are connected cuz they are both vent tubes, and this requires only one connection to the air box. Verify
those vents by blowing into them and seeing where they go. They vent the float bowl. On some
quads, the vents just hang down and use a check valve at the end.

With aftermkt carbs, always disassemble and clean, and verify all connections.


 
  #15  
Old 02-07-2019, 02:04 PM
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OK, now I see what you are saying. They should be connected with a 'Y' connector, with the free end going to the air
box, or some protected place.
 
  #16  
Old 02-07-2019, 02:14 PM
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Gotcha. I will do that. Thanks for all the help man.
 
  #17  
Old 02-07-2019, 02:33 PM
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Happy to help. Above is my '98 2x4, from a few years back. ACs are extra long, and the IRS is a plus. Suzuki
drivetrain is the best. I have also had a '04 and '01 AC 300 4x4s, a '04 AC 500 4x4, and a few Suzy 4x4s.

I got the '98 out of someone's storage locker, and he had messed up the carb, leaving out a part. Ran great
after fix. Only 2WD.
 
  #18  
Old 02-07-2019, 02:48 PM
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It looks in great shape! I cant get over the "no engine" look they have. Theyre definately super long, not a bad thing when the wife wants to ride along.
 
  #19  
Old 02-08-2019, 06:16 AM
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So I cleaned out and put the carb I have back in. I couldn't get it to start and I suspect it is still too lean. It is very difficult to install the carb for some reason. I may try to figure out if I can get the airbox to slide back a bit. I also cant reach the idle adjustment screw while it is installed so that is going to be an issue. And the fuel mixture screw is barely accessible if I turn the carb sideways in the boots. I ordered the OEM style so I can at least adjust my idle with the carb installed.
 
  #20  
Old 02-08-2019, 10:55 AM
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Originally Posted by Tanker_01 View Post
I ordered the OEM style so I can at least adjust my idle with the carb installed.
I can not over-emphasize how important it is to keep the Mikuni or KeiHin carbs that come with these quads. The new
Chinese carbs look clean and nice and the prices are low. I work on a lot of carbs, and I still spend a LOT of time making
them fit and work.

I also am hesitant to buy used carbs cuz they cost a lot and you often do not know if they are corroded inside. That is the
killer: corrosion. Otherwise the OEMs are fully repairable.

Fitting the air box up to a Chinese carb is often difficult. The solution is to toss the airbox and go with a pod filter. That is
NOT a good solution if you ride in deep mud/water, however. Also, vermin love air boxes and snorkel tubes, and I often find them
filled with nuts, nests, and spoor.

 

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