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Discussion in 'Kawasaki 250cc In-line 4's' started by Benjamin Smith, May 27, 2018.
Am I seeing things???
Yeah that looks bad...
Yes it was just the camera.
Thank Christ for that.
So all o rings and seals are ordered.
Have you got a favourite carb soaker / cleaner that isn't $10+ a can ?
but this is the best method ....
I use GP paint thinners and an old tooth brush.
usually found that a soak in petrol and scrub with a tooth brush then remove the harder stuff with paint thinner seeing as all the gunk is oil based . Then soak all the rusty stuff in white vinegar.
Umm. Does anyone know where this little brass cylinder goes. It was randomly in my little tub with #3 carb. Didnt see it with any of the others.
Also... Just waiting on the o-rings now.
It goes on the plastic diaphragm caps where the choke cable bracket is held on because it uses a regular bolt . all the others have a shoulder
Ahh thanks man. I actually remember seeing that when I was splitting the bank now.
Anyway carbs are having a refreshing Turpentine bath over night.
I had a thought of filling a slow cooker with my turps and "cooking" the carbs on low. But that seems just a smidge on the risky/ hard to explain to a fireman side of things.
If.you want give your carbs a decent clean usebThreebond Suoer Engine Conditioner (petrol type) about $12 from Repco , kept behind the counter.
Make sure all the rubber parts arent fitted though.
All the rubber parts are getting replaced ( o rings ) and all the non metallic parts are in separate tubs. But i have a long time to wait for the new seals from litetek. So soaking in turps plus scrubbing and some acetone, I think they'll be okay.
I really hope it runs well after all this. At least ive learned a lot in the last month lol.
So just an update everyone. Bike is back up and running. Carbs were soaked in solvent and finished off with a soak in engine conditioner.
All new seals from Litetek, and added an inline fuel filter. Starts up with about half choke even in the horrendous cold we're having in adelaide right now.
One thing I noticed but didn't click onto until now is all the main jets are #98.
I know this is way too small but I'm wondering if someone has drilled them out as I've ridden the bike for nearly an hour straight and it hasn't over heated.
What's everyone's thoughts on this? Better to just replace them? I'm not sure of a way to check A/F ratio or measure the jet.
Bloody fun to ride though, not what I would call comfortable but fun.
Well the wait wasn't that bad
What are the standard main jets supposed to be?
The wait was pretty reasonable considering I didn't splurge for an Express option. And I also had full tracking to my door.
They're great quality as well no issues on the install.
Pretty sure the standard jetting is 125 on 1&4 and 128 on 2&3.
I've just uploaded a 2003 Kawasaki Bailus spec's sheet in the Resource's area
It list's the main jet's for a 2003 ZR250B76- Bailus II as- #98 on carb's 1 / 4, and #95 on carb's 2 / 3, so having #98's in all 4 of your carby's sound's close being an earlier model
Pilot jet's #32
Air screw's / Pilot screw's set at 1 5/8 turn's out as a base setting (tune them to suit your bike from there)
Float height set at 13mm (plus/minus 2mm) this will give you a fuel level of 9.5mm above the line on the outside of the fuel bowl
Get yourself a Morgan Carbtune to do the synch and and the mighty Balius will be purring like a kitten.
But mine is a '94. Maybe someone put the wrong jets in it after reading the '03 specs.
The specs in the manual for the zxr250
Say 122 and 125.
Would they be different for the balius?
That's the engine number.
Which matches what the engine number on the info you posted.
I should check things before I post.
Yeah look's like they might be different