wait limit on yz450f

slatermx
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Hemet, CA, USA
Edited Date/Time 3/8/2014 6:11am
I have 2007 yz450f and I way around 235 do I need to get a stiffer spring??? In the back and were do I get one. The last owner had the suspension revalved by kyb enzo
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MxKing809
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3/1/2014 4:22pm
Enzo does fantastic work on that KYB suspension. If it's stock springs then it's probably a touch soft for you. They tend to set 450's up for 180-205 lbs. If the spring rate is still stamped on the rear coil just call a suspension company and they'll be able to tell you if what you have is correct or not.
TwoTwo150
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columbus, OH, USA
3/1/2014 5:38pm
The stock spring rate is 0.48 and that is probably on the lighter side. race tech has a calculator on their website.
Socket946
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3/1/2014 6:58pm
10-15 minutes or so.
slatermx
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3/1/2014 7:01pm
MxKing809 wrote:
Enzo does fantastic work on that KYB suspension. If it's stock springs then it's probably a touch soft for you. They tend to set 450's up...
Enzo does fantastic work on that KYB suspension. If it's stock springs then it's probably a touch soft for you. They tend to set 450's up for 180-205 lbs. If the spring rate is still stamped on the rear coil just call a suspension company and they'll be able to tell you if what you have is correct or not.
Were would it be stamped on the coil?

The Shop

MxKing809
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3/1/2014 7:32pm
It's usually printed in black ink/paint but it wears off quickly.
MxKing809
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3/1/2014 7:33pm
Socket946 wrote:
10-15 minutes or so.
I was gonna let that slide...... Lol, but glad you said it
slipdog
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3/1/2014 7:49pm
MxKing809 wrote:
Enzo does fantastic work on that KYB suspension. If it's stock springs then it's probably a touch soft for you. They tend to set 450's up...
Enzo does fantastic work on that KYB suspension. If it's stock springs then it's probably a touch soft for you. They tend to set 450's up for 180-205 lbs. If the spring rate is still stamped on the rear coil just call a suspension company and they'll be able to tell you if what you have is correct or not.
slatermx wrote:
Were would it be stamped on the coil?
Enzo will likely use a KYB shock spring and they are marked with a paint mark on the bottom coil. The color of the paint indicates the rate of the spring. The '07 450 came with a 5.5kg spring and would have a pink paint mark on it.
YamaLink
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Bum Bum, ID, USA
3/1/2014 8:32pm
6.275 kg spring recommended for 235 pound rider without gear to achieve proper sag.
slatermx
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3/1/2014 9:31pm
YamaLink wrote:
6.275 kg spring recommended for 235 pound rider without gear to achieve proper sag.
Thanks were can I get this spring and how much would it be or do I have to send it in?
Jshipman81
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Delta, OH, USA
3/4/2014 7:31pm
(Weight and where) By the questions you ask it sounds like you need to talk to either race tech or factory connection. Race sag you could just google it or go to motocrossactionmag.com and read some articles on there. Also you could read the FAQ on suspension shop's webpage and most of what your asking can be answered better than what I can explain. If you are having problems with finding suspension shops just put the suspension name together without spaces and add .com. e.i. racetech.com etc.
slatermx
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3/5/2014 7:33pm
Jshipman81 wrote:
(Weight and where) By the questions you ask it sounds like you need to talk to either race tech or factory connection. Race sag you could...
(Weight and where) By the questions you ask it sounds like you need to talk to either race tech or factory connection. Race sag you could just google it or go to motocrossactionmag.com and read some articles on there. Also you could read the FAQ on suspension shop's webpage and most of what your asking can be answered better than what I can explain. If you are having problems with finding suspension shops just put the suspension name together without spaces and add .com. e.i. racetech.com etc.
I don't know when the original owner had it revalved does that matter? Or should I send them to get revalved by race tech ex. And how much would that be
MOTODAD422
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3/6/2014 1:45pm
I would say 20 minutes.
slatermx
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3/6/2014 9:52pm
MOTODAD422 wrote:
I would say 20 minutes.
Never said anything about how long it would take?
3/7/2014 8:32am
Slater, Chris from Race Tech here.

Let's get you setup one piece at a time.

First, do you know who (weight/skill level/application) the bike was setup for previously? That will help give us an idea what is in it. Not necessary, but definitely helpful.

As far as the spring rate that is currently on it, shoot me an email to chris@racetech.com and I will get you setup with tech support. They have a few ways to walk you through to find out what spring rate you have installed. Proper rate springs are the most important part of getting your handling sorted, so this is the first and most important step.

If you are confident you want to get work done, whether it is freshening up the oil, springs, or valving, you can also send it to Race Tech and we'll check the spring rates for you. If they aren't right we can give you the option to change them out as well. Anything RT does is 100% guaranteed.

From there, we can look at the valving and see if it makes sense for a revalve or to try and tune what you have if it isn't up to par with what you're needing. Suspension revalves and setups are all about personalizing them for the rider and their type of riding/skill level. There is no "magic bullet" per-say that works for every rider.

If you need to order anything and decide to choose Race Tech, mention VitalMX for 20% off as well! And if you want any help with questions, a quote, or getting something ordered, shoot me an email to chris@racetech.com and I'll help you out.
slatermx
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3/7/2014 9:05pm
Slater, Chris from Race Tech here. Let's get you setup one piece at a time. First, do you know who (weight/skill level/application) the bike was setup...
Slater, Chris from Race Tech here.

Let's get you setup one piece at a time.

First, do you know who (weight/skill level/application) the bike was setup for previously? That will help give us an idea what is in it. Not necessary, but definitely helpful.

As far as the spring rate that is currently on it, shoot me an email to chris@racetech.com and I will get you setup with tech support. They have a few ways to walk you through to find out what spring rate you have installed. Proper rate springs are the most important part of getting your handling sorted, so this is the first and most important step.

If you are confident you want to get work done, whether it is freshening up the oil, springs, or valving, you can also send it to Race Tech and we'll check the spring rates for you. If they aren't right we can give you the option to change them out as well. Anything RT does is 100% guaranteed.

From there, we can look at the valving and see if it makes sense for a revalve or to try and tune what you have if it isn't up to par with what you're needing. Suspension revalves and setups are all about personalizing them for the rider and their type of riding/skill level. There is no "magic bullet" per-say that works for every rider.

If you need to order anything and decide to choose Race Tech, mention VitalMX for 20% off as well! And if you want any help with questions, a quote, or getting something ordered, shoot me an email to chris@racetech.com and I'll help you out.
I do not now what wait and skill level it was set up for. If I were to use one of these options how much would it be? And thanks Chris,
3/7/2014 11:13pm
slatermx wrote:
I do not now what wait and skill level it was set up for. If I were to use one of these options how much would...
I do not now what wait and skill level it was set up for. If I were to use one of these options how much would it be? And thanks Chris,
Drop me over an email with weight/skill level/application and make/model/year to chris@racetech.com and I will get you an itemized quote for a full setup with the Vital discount. From there, you can look at it without the revalve and with just springs and oil change as well.
Mx4life320
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Lisle, IL, USA
3/8/2014 6:11am
Wait is not the same as weight.

EX: What weight oil do you need for your fork?
What is the wait time in the McDonald line?

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