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Author Topic: carb removal and install  (Read 1102 times)

albertinhouston

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carb removal and install
« on: February 06, 2017, 09:57:50 PM »

Just bought a gv 250 for the motor but it's not as bad as I thought so carb clean and break work should be down the road.

What's the trick to getting the air box and carb off and back on?
 Looks like a PIA!!! But I know there has to be a secret.
« Last Edit: February 07, 2017, 02:18:35 PM by albertinhouston »
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umop-ǝpisdn

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Re: carb removal ans install
« Reply #1 on: February 07, 2017, 03:02:55 AM »

How hard can it be?

;)
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Xjeep6

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Re: carb removal ans install
« Reply #2 on: February 07, 2017, 12:31:36 PM »

We worked out if you take the oil feed line off on the right hand side to the rear cylinder and feed both the carb and filter from that side it slips right in without too much fuss
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albertinhouston

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Re: carb removal ans install
« Reply #3 on: February 07, 2017, 02:18:17 PM »

We worked out if you take the oil feed line off on the right hand side to the rear cylinder and feed both the carb and filter from that side it slips right in without too much fuss
hard enough to break the intake boots.  >:(

 I'll give that a try. Thanks.
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umop-ǝpisdn

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Re: carb removal and install
« Reply #4 on: February 07, 2017, 09:13:40 PM »

Hmm, I thought the 650's airbox was awkward. Clearly the 250s are even more difficult.
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albertinhouston

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Re: carb removal and install
« Reply #5 on: February 08, 2017, 01:13:15 PM »

the 650's are a cake walk compared to the 250's.
I used to hate the gt 250's the most but I have a fav. to hate!
I did some searching and I think cloud suggested lowering the front of the motor to get it in. FML!
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Tomcat2

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Re: carb removal and install
« Reply #6 on: February 08, 2017, 03:57:23 PM »

Definitely a PITA!!  The key is taking it out on the right side.  At times, I've had to ask another tech to help by pressing down hard on the carbs.  Twice I've gotten the sucker on only to find that I had destroyed the clamp for the carb and had to start over.
We had a Korean tech here once who made it look easy.  He would straddle the bike on the lift and had a real knack for it. 
Good Luck!!
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Tomcat2

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Re: carb removal and install
« Reply #7 on: February 08, 2017, 04:00:41 PM »

Sorry for the re-post, but I just remembered something that worked for me in trying to reinstall.  I took the carbs off with the intake manifolds attached to the air box first.  That seemed to go easier.  Just be careful about the O-rings on the bottom of the intake manifolds.  A healthy glob (technical term) of grease will usually hold them in place.
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albertinhouston

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Re: carb removal and install
« Reply #8 on: February 09, 2017, 08:04:08 PM »

I'm probably going to lower the motor alittle in the front.
I don't want to destroy the intake boots.  cheapest I've seen id $70 on Ebay.
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Hylife

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Re: carb removal and install
« Reply #9 on: February 11, 2017, 06:45:15 AM »

........What's the trick to getting the air box and carb off and back on?......
 Looks like a PIA!!! But I know there has to be a secret.

The secret is just use some logic.
The intake on the right side is angled forwards and the other intake is in the middle but is straight up and down.
Think of the angles as clock positions.
If looking from the left side of the bike, then the far side is pointing at 10 o'clock and the nearside is pointing at 12 o'clock.
You can drop down onto 12 but you have to push rearwards to get onto 10
Therefore you have to fit the right side 10 o'clock intake first and then just drop down straight onto the other 12 o'clock one.
Spit on your index finger and wipe some saliva around the inside surface of each boot to help make them slippery. Don't use any lubricant that won't dry or they can come off too easy.
The clamp ring screws should be lined up for easy access before you pop on the air box.
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