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Mudrecon

OEM vs Aftermarket on a 95 kingquad 300

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I'm working on a 95 300 kingquad and wondering about the aftermarket carbs. There sure is a price spread -is the OEM recommended or is 'cheap' ok.Off shore are way cheaper but is the quality that bad

Thoughts

IMG_20190510_135053.jpg

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I would say for your best bet, buy oem. You can't go wrong. Off shore carbs work but you'll never truly dial it in.

Sent from my SM-N920V using Tapatalk

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The cheaper carbs look, fit, and will work to get the bike running.  The minute you take off and ride  the bike starts to sputter and break down.  You will spend hours trying to dial it in with very frustrating results.  

Not worth the aggravation. 

What’s wrong with the OEM carb? It looks like it’s all there.   Take it apart and rebuild it.  

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yessir first thing will be a rebuild- then probably rings and seals. It takes a few minutes to puff which is odd as shown in video

 

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Good idea by rebuilding.   Nothing like the real deal. If you need any help let us know.  Take a compression reading and see how that goes.   Maybe just valve seals might be in order.   

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if you replace the valve seals, I would recommend new valves as well as the old ones sometimes have a hard time re-setting into the head.  Also, I have had two bikes with aftermarket carbs and am satisfied with how they perform.  I say they are worth a shot at least, but @Frank Angerano and@06kfx440 have much more experience than i do.

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4 hours ago, Frank Angerano said:

Good idea by rebuilding.   Nothing like the real deal. If you need any help let us know.  Take a compression reading and see how that goes.   Maybe just valve seals might be in order.   

gotta get the proper adapter for my compression tester - the universals got dry rot :) . Its been over 30 years since I used it.. I got an 'All Balls ' rebuild kit directly from the Suzuki dealer. Now I got to wait to find a manual to get the settings.

6 hours ago, 06kfx440 said:

I would say for your best bet, buy oem. You can't go wrong. Off shore carbs work but you'll never truly dial it in.

Sent from my SM-N920V using Tapatalk
 

Well I went to the dealer and he suggested the All Balls rebuild kit so I picked one up

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4 hours ago, JacobSlabach said:

if you replace the valve seals, I would recommend new valves as well as the old ones sometimes have a hard time re-setting into the head.  Also, I have had two bikes with aftermarket carbs and am satisfied with how they perform.  I say they are worth a shot at least, but @Frank Angerano and@06kfx440 have much more experience than i do.

oood points Jacob Tx

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So nice to see pride of workmanship when working on a used bike for the first time....Anyways rebuild is done will install in the morning

sleeping.gif

screw.jpg

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That's fun. Lol. Run a tap thru that hole.

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Wow thats great.  What did you wind up doing on that.  You have to be super careful with that situation  to not bark the corner off. If you can’t get a screw that fits then carefully drill it out and use a small screw with a nut and lock washer.  

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used a electricians tri tap to gradually learn it's threads -it's all good. I put it on this morning and the blue smoke is gone but the carbs popping (lean?) and reving too high with the idle adjuster not even touching the cam. This is where I ask for help. Attached a small clip of her purring. Off to town but going to bring back some refreshments and work on it this afternoon. Hopefully one of you fine gentlemen will have a solution for me..Cheers

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Adjusting the carburetor won’t be difficult. It’s just a matter finesse.  What did you set the fuel air mixture screw at ? It should be in the range of 1-3/4 turns out from a snug tight position as a starting point. Then slowly turn the fuel air mixture screw out until the engine starts to rev up. Keep going until the rev starts to break up a bit or reach its best point  then turn the screw back Just a hair. 

If the bike is revving high lower the idle screw to a happy spot and see how it runs. 

 

 

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That's the problem, the idle cam isn't touching the adjustment screw but it's revving to high...

1 hour ago, Frank Angerano said:

Adjusting the carburetor won’t be difficult. It’s just a matter finesse.  What did you set the fuel air mixture screw at ? It should be in the range of 1-3/4 turns out from a snug tight position as a starting point. Then slowly turn the fuel air mixture screw out until the engine starts to rev up. Keep going until the rev starts to break up a bit or reach its best point  then turn the screw back Just a hair. 

If the bike is revving high lower the idle screw to a happy spot and see how it runs. 

 

 

 

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Sounds like he's mixing the air fuel mixture instead of the idle screw

Sent from my SM-N920V using Tapatalk

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Well I think this is idle-pic attached. It now runs fine.

 

     1642848382_lowidle.jpg.aa08672a7ecf5baa92b2edbb11f0a2a6.jpg

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Yes that’s the adjustment.  Glad it’s running good.  What did you wind up setting the fuel/air screw at?

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1.5  / 1.75 turns approximately. Took it for a boot yesterday and it is very responsive to the throttle and idles about 800(by ear) so I think I'm good ? I'll do a little vid today.

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still got a slight popping at the carb and a miss at low rpm - stalling on idle. Air fuel mixture??

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yea i'm just under2 turns. I gotta remove shit to get back at it now :(

 

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Posted (edited)

ok still not perfect  but the exhaust is not great for starters -  it's idling reasonably well as can be heard here.And yes as you can see I left it running in first ;)

 

Edited by Mudrecon

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Well done, the exhaust if it’s got leaks can make the engine run a little off due to a loss of back pressure. 

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