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Author Topic: Carburettor Information  (Read 9385 times)

Offline stroker crazy

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Re: Carburettor Information
« Reply #20 on: Jan 01, 2014, 07:29:01 »
What a difference that makes.

Definitely a step in the right direction!

Crazy
“Ride like the Wind” W.H.

Offline ChrisBNE

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  • The Growler
Re: Carburettor Information
« Reply #21 on: Jan 01, 2014, 18:02:40 »
Definitely a step in the right direction!

Crazy

Lots of little steps.

is it worth in leiu of a full intake change to drill holes in the airbox?

Offline stroker crazy

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Re: Carburettor Information
« Reply #22 on: Jan 01, 2014, 19:59:35 »
drill holes in the airbox?

Doubt it would make any difference!

Crazy
“Ride like the Wind” W.H.

Offline ChrisBNE

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Re: Carburettor Information
« Reply #23 on: Jan 01, 2014, 21:18:30 »
Doubt it would make any difference!

Crazy

Where does the air get in then?!

Offline stroker crazy

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Re: Carburettor Information
« Reply #24 on: Jan 01, 2014, 21:41:42 »
It's got a pretty big hole in the top!

Crazy
“Ride like the Wind” W.H.

Offline ChrisBNE

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Re: Carburettor Information
« Reply #25 on: Jan 01, 2014, 22:14:11 »
It's got a pretty big hole in the top!

Crazy

ha - totally didnt see that!

Offline stevodude

  • Posts: 93
Re: Carburettor Information
« Reply #26 on: Mar 01, 2014, 03:12:00 »
I guess you should also enter the location and estimated Elevation to get the jets right.

I had some issues earlier, so I returned all settings back to stock and bike ran ok. I ordered some more jets from 82/85/88/90/92 &95
DId a plug chop from 80 - 85 - 90 - 95 and they all showed the same result, all white tips... maybe I did something wrong?

process -
Engine was already warm.
run down the road (around 3km)
at the end swap the plug for a new one
go flat out in 3rd (around 75kph) for about 1km
kill engine and pull clutch
stop and change back to original plug and ride home.
Drop carburettor out and change Main jet.

I have run out of jets and need to order some more, possibly 97/100/103/105

On the pluss side, it takes me less than 2 minutes to drop the carb out now :-)

I'll upload the photo of the plugs shortly.

Offline stevodude

  • Posts: 93
Re: Carburettor Information
« Reply #27 on: Mar 01, 2014, 03:18:09 »


I've knocked most of the white stuff off the ends sorry.

Left to right

80 - 85 - 90 - 95

Offline Bojer

  • Posts: 109
Re: Carburettor Information
« Reply #28 on: Mar 01, 2014, 05:43:38 »
Wow that's a thorough job !

Modern fuels do make it harder to "read" a plug but FWIW I think the problem is the use of a new plug each time - ie there are no deposits on the plug to change colour . Unless the bike was really rich in which case you would end up with a black plug for sure but my suggestion would be to check with a used plug ?

Can you detect any difference with the different jets , starting running and why third is it up hill ?

Know how you feel I was having trouble with a two stroke and for the life of me couldnt work out if it was rich or not so I put a 1.5mm drill through it to check ......... ;)

Offline sprocket2cog

  • Posts: 470
Re: Carburettor Information
« Reply #29 on: Jan 03, 2015, 23:58:58 »
can anyone point me to the ooracing jets that will fit the stock carby ? i need to upgrade as im running a little lean.
its all about the cornering

My Ace
http://www.dotheton.com/forum/index.php?topic=45949