Order of upgrades????

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masskdxer
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Order of upgrades????

Post by masskdxer »

My question is this...I want to start upgrading the bike a little bit at a time because of finances. I want to get the Fmf desert pipe, the turbinecore 2, and the Vforce 3 reed valve. In what order would you start this project??? I understand I will have to probably rejet for them, but thats no big deal. Thanks again
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Post by gregp »

Heh, I am doing the exact same thing. I am going to get the reed cage first, then the pipe, then the silencer.
This order is because, having owned a KDX with similar mods, this how how I feel the "bang for the buck" prioritization works out.
I am having a hard time finding any of these parts used...
BTW - I had modified my TCII into a "shorty" and it helped rid the slight flat spot between the upper mid range and the killer top end.
masskdxer
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Post by masskdxer »

ok, thanks for the info.
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Post by plb »

The VF3 before the Rev???

The FMF Desert works very well with stock reed and stock silencer and IMPROVE a lot your KDX220r motor. It's my priority for you.

The V-Force 3 helps a little bit but not so much and the silencer it's the same.

I ride the stock for trail ride (it's the law where I live) and a PowerCore when I race and I don't feel a so big difference.

Before put VF3, for the same price, buy appropriate fork spring for your weight and upgrade your suspension.
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Post by fuzzy »

Suspension first, IMHO. If you're letting off the gas, you have enough motor. :mrgreen: Getting it to the ground is key.

If money is tight, keep your stock silencer, no real performance gain there.

Is your stock bike a 200, or 220? If 220, the RB carb mod would be my first step in the motor dept...Over a pipe even.
'91 KDX 200 Project $300 KDX
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masskdxer
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Post by masskdxer »

It is a 200...they don't make fork springs for folks my size..lol....I have had the bike for 3 1/2 years and honestly, the suspension has never been a problem. I would like a more mx type hit on the throttle. It's not bad after moving for a few minutes, but it bogs badly until I get to 3rd gear. If I down shift when slowing, it is fine after that. I should screw around with the jetting some first I imagine. I have a $30 gift card from motosport that is expiring at the end of the month and I want to use that for first upgrade. I think I will go with the pipe...if they have the Rev by then...only woods pipe at the moment. Thanks guy for the helpful info!!! :supz:
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Post by canyncarvr »

The 200 runs fine with a '30 (rev) pipe...but it will take some other 'stuff' to get it to do that.

There is a lot of 'package' effect..modifications working together.

Personally, I had no decent result with the -30 in the woods on my 200 until I had RB modify my carb and put on a VForce reed system.

Any part of a bike's operation/response description that includes the words 'bogs badly' indicates a rather large problem somewhere.

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Post by masskdxer »

It has bogged like that since new. The first 1/4 throttle has almost no response. After that first minute or 2 shifting through it levels off. The bike is a 2005 that I bought as a leftover. I probably only have about 800 miles on it, so it is still relatively new. I will think about sending the carb to RB this winter as everybody has always raved about it. Thanks again
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Post by canyncarvr »

Again...a bog like that means something is wrong.

Likely jetting or adjustments to the current jet set-up.

Guarandamnteed.

You give a well running KDX 1/4 throttle (granted..lower gears..not from 6th at 50mph) and if you get traction, you will be flipped onto your backside.

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Post by KarlP »

I imagine $30 will get you a nice selection of jets......
'08 KTM200xc
'99 CR/KDX Hybrid with that RB stuff done to it
KX100 for the boy
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Post by Mr. Wibbens »

>|<>QBB<
masskdxer wrote:It is a 200...they don't make fork springs for folks my size..lol
If you really that BIG, maybe you need a BIGGER bike :wink:
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Post by masskdxer »

I tried getting my Heritage Softail in the woods, but the traction sucked. I really don't have a issue with the suspension. I guess that maybe i am just used to it. The bigger big would be a ok idea except for 2 things...1) They don't make a KDX 300 and 2) I would have to join another web site and the folks in this one are dynamite. I ran into a kid today at a place I was riding and he has a KDX also. I let him know about the site, hopefully he joins because you guys have volumes and volumes of knowledge on these things. Thanks again masskdxer. PS.... Do you think I can cram my 1340 harley engine into the KDX? Now that would be some fun! :lol:
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Post by Mr. Wibbens »

I dunno how BIG you are

In gear I'm prolly 290 - 300 lbs

I'm running Race Tech .46's in my forks

Made a helluva difference :supz:
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Post by canyncarvr »

>|<>QBB<
Mr. Wibbens wrote:
In gear I'm prolly 290 - 300 lbs
Yeah.

Only 290-300 lbs. Wibby's gotten practically skinny of late.

:shock:

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