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Old 06-02-2011, 02:37 PM   #1
jparacing OP
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KTM660 airbox on KTM625SXC

Is there anyone who can tell me if the 660SMC airbox (58306001500) fits straight on 625SXC subframe (5840300234490)?

-Is the location on the CDI box at the same place on the 660 as it is on the SXC?

-How much lighter is 660SMC (2003 and 2004) aloy subframe than the one of steel on the SXC?

Why this?
Well I am so terribly tierd of the small filter surface of SXC filter thats just geting dirty directly, so I'm wondering if it would be possible to fit a 660 air box on my 625-07:?

Does anyone tried this out?
(I'm not interested in the newer rear section from the SMC's)

Sorry for my English guys, I hope you understand me anyway!
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Old 06-02-2011, 04:31 PM   #2
Aussie Steve
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No idea on any of your questions. However I thought people were fitting the duke air box to get better flow and filtration area.
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Old 06-03-2011, 05:59 AM   #3
Lc8grrr
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I probably should keep quiet because now I'll have to work out how to add photos again and then follow the thread. AFAIK the airbox from the '99 660rally, 620sc, DukeII, 05/06 625smc and 660smc are all very similar. I've just fitted my 03 640A with a DukeII airbox and only needed to add a tab to the stock subframe on the RHS to match the one on the LHS. The cdi goes in the stock location. The reg mounts on the airbox on the LHS between the airbox and shock. I can't put the lid on but thats ok. Use a 660smc LH airbox cover to match the RH stock one. The bike grunts with an FCR and twin Ti system Need a bigger FCR and rally cam now... where will it end Got home from the Warrumbungles alright Steve?
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Old 06-03-2011, 09:28 AM   #4
Motorrad
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Quote:
Originally Posted by jparacing View Post
Is there anyone who can tell me if the 660SMC airbox (58306001500) fits straight on 625SXC subframe (5840300234490)?

-Is the location on the CDI box at the same place on the 660 as it is on the SXC?

-How much lighter is 660SMC (2003 and 2004) aloy subframe than the one of steel on the SXC?

Why this?
Well I am so terribly tierd of the small filter surface of SXC filter thats just geting dirty directly, so I'm wondering if it would be possible to fit a 660 air box on my 625-07:?

Does anyone tried this out?
(I'm not interested in the newer rear section from the SMC's)

Sorry for my English guys, I hope you understand me anyway!

Im all ears on this one. . .. Have to say that doing things like the TAT... the small filter is ANNOYING..
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Old 06-03-2011, 11:38 AM   #5
jparacing OP
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Quote:
Originally Posted by Lc8grrr View Post
I probably should keep quiet because now I'll have to work out how to add photos again and then follow the thread. AFAIK the airbox from the '99 660rally, 620sc, DukeII, 05/06 625smc and 660smc are all very similar. I've just fitted my 03 640A with a DukeII airbox and only needed to add a tab to the stock subframe on the RHS to match the one on the LHS. The cdi goes in the stock location. The reg mounts on the airbox on the LHS between the airbox and shock. I can't put the lid on but thats ok. Use a 660smc LH airbox cover to match the RH stock one. The bike grunts with an FCR and twin Ti system Need a bigger FCR and rally cam now... where will it end Got home from the Warrumbungles alright Steve?
Ok, please put the picture here!
My other mods are:
Engine:
-MSP3 Rallye camshaft.
-Open airbox. (Under seat)
-Open exhaust.

Carb spec:
-FCR41MX (it's stock on the Swedish 625SXC all years)
-Jetted 168/48
-OBEKR nedle 4th clip from top
-SXS acc pump spring (green one)
-SXS mixturescrev (1,5 to 1,8 turn out)
-R&D Powerpump2 (Aprox 40# in leak jet)

Chassie:
-Lower gearing 15/45.
-Full race suspension.
-Powerparts skidplate.
-SXS preload adjusters.
-SXS bleaders.
-Husaberg chainguard.
-1999 year plate holder.
-EXC-R turning light's.
-Motomaster brake disc's.
-20mm handlebar risers.
-Short clutch grip.
-KTM690R dual compond grips.
-75mm longer decomp wire from 1993 years model.

And many more mods I don't remeber ...

I got my 14ah Shorai light wight battery today should save about 2-2,5kg.

Where do you put the battery after you install the new airbox?

jparacing screwed with this post 06-03-2011 at 11:44 AM
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Old 06-03-2011, 02:55 PM   #6
KTBen
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You've done it now Tony!
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Old 06-03-2011, 03:44 PM   #7
AdventureDave
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I bought my 06 sxc from a mate with these mods already done. I just checked and it has an airfilter box from a '94 LC4 fitted which completely removes the battery box compartment so you can fit the larger 'original' airfilter.



I have since fitted an antigravity (lithium) battery (much smaller and lighter) inside the top of the box and reconnected the starter motor. I'm not sure of the dramas involved in fitting this airbox as I wasnt there when it was done. I now access the airfilter from under the seat.

Cheers

David



#KTM PartDescriptionPriceQtyAdd To Basket
158306001100FILTER BOX CPL. WITHOUT SLS94N/A
258306001100FILTER BOX CPL. WITHOUT SLS94N/A
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Old 06-04-2011, 01:03 PM   #8
jparacing OP
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Hi David!
Can you please post some pics?

Quote:
Originally Posted by AdventureDave View Post
I bought my 06 sxc from a mate with these mods already done. I just checked and it has an airfilter box from a '94 LC4 fitted which completely removes the battery box compartment so you can fit the larger 'original' airfilter.



I have since fitted an antigravity (lithium) battery (much smaller and lighter) inside the top of the box and reconnected the starter motor. I'm not sure of the dramas involved in fitting this airbox as I wasnt there when it was done. I now access the airfilter from under the seat.

Cheers

David






#KTM PartDescriptionPriceQtyAdd To Basket
158306001100FILTER BOX CPL. WITHOUT SLS94N/A
258306001100FILTER BOX CPL. WITHOUT SLS94N/A
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Old 06-04-2011, 07:51 PM   #9
Aussie Steve
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Quote:
Originally Posted by Lc8grrr View Post
I probably should keep quiet because now I'll have to work out how to add photos again and then follow the thread. AFAIK the airbox from the '99 660rally, 620sc, DukeII, 05/06 625smc and 660smc are all very similar. I've just fitted my 03 640A with a DukeII airbox and only needed to add a tab to the stock subframe on the RHS to match the one on the LHS. The cdi goes in the stock location. The reg mounts on the airbox on the LHS between the airbox and shock. I can't put the lid on but thats ok. Use a 660smc LH airbox cover to match the RH stock one. The bike grunts with an FCR and twin Ti system Need a bigger FCR and rally cam now... where will it end Got home from the Warrumbungles alright Steve?

Hey Tony,

Thanks for the info and review. Am going to have to add this to my mods wish list now .

Got home from the Bungles fine thanks mate, have even been back and found some more fun stuff on the eastern side of the Pilliga.
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Old 06-04-2011, 08:19 PM   #10
AdventureDave
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94 lc4 airbox and filter











I could definitely tidy up the inside of the airbox, its on the to do list. You can see that the surface area of the air filter is probably 3 times the size of the old one. I was told that the airfilter that they chose to fit is the same as fitted thier 65 mini bike, so its been selected because it fits not because its fit for purpose.

Cheers

David
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Old 06-06-2011, 03:43 AM   #11
Lc8grrr
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Ok only got a couple. The bike is back together for testing then to be pulled down to have the subframe powdercoated. I have mounted a smaller YTZ7S battery from a 450 in the rear of the subframe. This cranks the bike just fine. I wouldnt recommend the Akra twin as I had to lift it to clear the chain on full compression. Use a carb to head boot off an 04 450sx which is angled to get a little more FCR clearance. Which rally cam part number is recommended? Bike has 35k on it and should have rocker roller tips done at the same time.
Hey Steve, there was a further lookout at Coolah Tops we didnt see. Might have to go back.

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Old 06-06-2011, 06:24 AM   #12
Aussie Steve
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Looks good with the twin pipes, some nice work there.

I am planning on fitting the MSP1 cam 57336010044 Its from the 660 smc and is meant to have a big mid range and some top end gain without loosing down low like the MSP3. Arent going to bother until I do the rockers but for $140 USD while I'm in there why not.

Wouldnt mind spending some more time at Coolah and seeing if it goes through too.
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Old 06-06-2011, 06:32 AM   #13
laramie LC4
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with those twin pipes you need to make sure that your left side will not get munched by the brake caliper on full compression. don't ask me how i know....

akra's aren't cheap, id hate to see yours get munched too.

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Old 06-06-2011, 06:45 AM   #14
johnno950
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Quote:
Originally Posted by Aussie Steve View Post
Looks good with the twin pipes, some nice work there.

I am planning on fitting the MSP1 cam 57336010044 Its from the 660 smc and is meant to have a big mid range and some top end gain without loosing down low like the MSP3. Arent going to bother until I do the rockers but for $140 USD while I'm in there why not.

Wouldnt mind spending some more time at Coolah and seeing if it goes through too.
Might be a idea to check timing marks on cam sprocket,i got a 00 660 rallye and it has got both marks for a 620/660 scribed into it from the factory...a couple of teeth differace beteen the 620/640 to the 660 from memory.
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Old 06-06-2011, 12:34 PM   #15
jparacing OP
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Quote:
Originally Posted by Aussie Steve View Post
Looks good with the twin pipes, some nice work there.

I am planning on fitting the MSP1 cam 57336010044 Its from the 660 smc and is meant to have a big mid range and some top end gain without loosing down low like the MSP3. Arent going to bother until I do the rockers but for $140 USD while I'm in there why not.

Wouldnt mind spending some more time at Coolah and seeing if it goes through too.
You men that the MSP1 cam should not loose low end power?????????
The MSP3 "Rallye" is a midrange to top end cam, and the the MSP1 is a supermoto cam for racing ...
(Big loose in the bottom)

I have the MSP3 in my SXC-07 and it pulls harder every where in the powerband than the stock cam (249/1)!
(Se my mod list)
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