Quick question.......Where can I find one of these uni filters at???

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2001 ds 650 black w/scotts performance oil filter & k&n air cleaner w/ prefilter, dyno jet kit stage 3, Ondunes Power tip exhaust

Ive seen them at auto parts stores, I thought about buyin one but it's not needed if you're running open airbox with #40 air jet. I could be wrong but pretty sure thats what I read. They're like 8-9 bucks and didn't seem worth it if I don't need it.

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'06 DS650x
ProTaper Bars
OMR Stock Carb Mods
Open Air Box
K&N Air Filter w/outerwear
Big Gun CDI
ODP Disked Exhaust End Cap

I was talking about the clear breather tube. It said that he plugged up the hole at the snorkle end and put a unifilter at the carb end, or am I reading it wrong?

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2001 ds 650 black w/scotts performance oil filter & k&n air cleaner w/ prefilter, dyno jet kit stage 3, Ondunes Power tip exhaust

Right, he did, but he said you don't have to if you have the smaller air jet. Im pretty sure thats what I picked out of it. If I had the time right now I'd go thru and look for you but I dont. just take a peep at the first post. I think its in there somewhere.

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'06 DS650x
ProTaper Bars
OMR Stock Carb Mods
Open Air Box
K&N Air Filter w/outerwear
Big Gun CDI
ODP Disked Exhaust End Cap

Got most of this stuff done to run open airbox. Just need my #40 airjet and allen head screws for the float bowl because I tore the stock ones apart getting them out. even vice grips werent workin since they were so rounded and thin. I got a disced endcap and a big gun cdi comming and can't wait to race those guys that were gettin me by a length or 2!

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'06 DS650x
ProTaper Bars
OMR Stock Carb Mods
Open Air Box
K&N Air Filter w/outerwear
Big Gun CDI
ODP Disked Exhaust End Cap

anybody know where to order a #40 airjet??? I've looked online but can't find one for the mikuni carb anywhere. Is there a different number I should be looking for? or is it for a different carb? any help appreciated

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'06 DS650x
ProTaper Bars
OMR Stock Carb Mods
Open Air Box
K&N Air Filter w/outerwear
Big Gun CDI
ODP Disked Exhaust End Cap

You should just do the alternative and JB weld it, then drill the hole like OMR told us about. That's what I'm doing.

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01' Bomb DS650
OMR Carb Mods(thanks OMR)
Big Gun CDI box
K&N filter (no air box)
15t front sprocket
Full CT pipe
JE 11.5:1 piston
80%/60% woods springs
Barnett Clutch
more to come......

03' Z400(Wife's ride)
Full LRD pipe
Cams

yeah thought about that too, but I don't have one of those little *ss drill bits. I guess I could buy one, just thought buyin the jet would be easier.

I did research that part number 707200187 OMR left as the #40 air jet. I found a page that says "bombardier quest max carburator parts." If this jet I ordered at my local shop isnt the right one I'll order one off that page or at least tell my shop what the part number is for. for some reason they couldn't look it up based on the part number. Guess I'll find out in a few days, hopefully sooner, I wanna ride!!

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'06 DS650x
ProTaper Bars
OMR Stock Carb Mods
Open Air Box
K&N Air Filter w/outerwear
Big Gun CDI
ODP Disked Exhaust End Cap

went and got the airjet today, it's a little longer then the stock one but that shouldnt matter, right? its only letting in air and its not like theres a special venturi effect, it's just limiting the amount of air comming in. my endcap and cdi should be here friday, hopefully its nice enough out and I can take it for a little test ride without having to take it down the street.

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'06 DS650x
ProTaper Bars
OMR Stock Carb Mods
Open Air Box
K&N Air Filter w/outerwear
Big Gun CDI
ODP Disked Exhaust End Cap

Another question...

With all these mods and a better flowing exhaust how many turns out on the pilot screw jet? the dj kit says 2 I think.

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'06 DS650x
ProTaper Bars
OMR Stock Carb Mods
Open Air Box
K&N Air Filter w/outerwear
Big Gun CDI
ODP Disked Exhaust End Cap

With the more aggressive cdi's the pilot screw needs to start at 3 turns out.

For racing or airlid off you may need to go 3 1/2 turns out.

OMR

Thanks OMR!! I'll start at 3 and see how that goes

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'06 DS650x
ProTaper Bars
OMR Stock Carb Mods
Open Air Box
K&N Air Filter w/outerwear
Big Gun CDI
ODP Disked Exhaust End Cap

I got the carb back on and started her up and she runs great! I couldn't take it for a test ride but I let it warm up, adjusted idle to 1450rpm and reved on it a few times. throttle response is awesome! she was boggin down low probably because of the cold but now it's crisp! I rode it from my garage to the fence and now I really can't wait to take it for a spin! I left the pilot screw at 2 turns right now until I get my cdi and endcap. Need to change oil and plugs so I can really see how rich/lean she's runnin. I'll probably step down to 89 octane instead of 93. I feel like I'm a kid again! lol

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'06 DS650x
ProTaper Bars
OMR Stock Carb Mods
Open Air Box
K&N Air Filter w/outerwear
Big Gun CDI
ODP Disked Exhaust End Cap

In the summary, there was a 47.5 pilot mentioned. My 2003 DS has a 40, and my dealer can only get 45 and 50. I opted to order the 45. I've also got the DJ kit & K&N w/outerwear on order. Now that I've read all 6 pages of this thread, I'm wondering with the DJ kit being more rich at idle, do I need the larger Pilot? Also where should I start for the Pilot screw setting with the 45 Pilot (K&N will arrive with the DJ kit, closed airbox, stock CDI and stock exhaust)?

I'll make the other mods after I get through my first round of bolt ons.

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2006 Sunl 90
2003 Bombardier DS650 - K&N, Dynojet, Big Gun CDI, 14t, 22" Dirt Devils
2000 Kawasaki Ninja ZX-11 - Dynojet
1999 Polaris Sport 400 - Aaen top end pipe, Power reeds, Clutch kit, K&N & Outerwear
1986 CR500R - FMF, Rad Valve, Race Tech, decompression system - Stupid fast

2 turns out if 60 degree's or warmer
2 1/2 turns out if below 60

The factory sometimes used a 40 and sometimes a 45.
With DJ kit 45 works great.

i have a ? about the bleed off screw on the right side of carb. do you only put in a 40 if you plan on running with out a lid. and also what tool do you use to measure float level. thanks for the help.

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ds650 end cap,k&n,vortex cdi.

TTT

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01' Bomb DS650
OMR Carb Mods(thanks OMR)
Big Gun CDI box
K&N filter (no air box)
15t front sprocket
Full CT pipe
JE 11.5:1 piston
80%/60% woods springs
Barnett Clutch
more to come......

03' Z400(Wife's ride)
Full LRD pipe
Cams

OMR i need you in my other post so i had quick question on what target AR for the ds650. Also do you know what the factory AR was stock at idle and wot. Thanks.

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06 Ds650 X Big Gun Full exhaust, K&N, OMR Mods, Wide band,
Vapor, XS bars, Pro Grips, Custom paint, Ac grab bar etc etc

Step 10 and 11 added to Stock Carb Mods - Summary

OMR

Ok question is this: New to the world of DS650's I bought a 2000 DS650 from a guy that bought it directly from ALBA Motorsports new, has Ron Woods exhaust, K&n fiter and air intake scoop things. So heres the problem. It hauls ass off the the line, but falls flat on it's face in 3rd gear. It's got nothin'!!!! So I had the carb cleaned and rejetted, but it seems to be worse. I also have a 15 tooth sprocket on the front instead of the stock 16 tooth, and smaller tires on the back. Does this sound like a "fuel/air" issue that just needs to be dialed in?? Or maybe something else??

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Ride it like you stole it!!!

im interested in the comlete kit, once this is done will i need to do anything else, like change the main jets. send me the price my email address is cmosleytwo@msn.com