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2010 Yamaha YFZ450R

Renthal Chain & Sprocket Kit

Renthal Chain & Sprocket Kit - Main
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How to install Renthal Chain and Sprocket
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How to install Renthal Chain and Sprocket
Renthal Chain & Sprocket Kit - Main
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Retail: $176.85
$139.99
You Save: $36.86 (21%)
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OEM Stock Sizes for a 2010 Yamaha YFZ450R
For reference only. Please verify with owners manual.
Chain Type: 520 Chain Length: 98
Front Sprocket: 14 Rear Sprocket: 38

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FITS: 2010 Yamaha YFZ450R change
 
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Product Description

  • The Renthal chain and sprocket kit is an excellent choice for those looking to upgrade or replace their motorcycles sprockets and chains with one easy purchase.
  • By choosing Renthal you are choosing a wining brand that proves themselves on the racecourse year after year with over 142 world and 111 USA motorcycle titles.
  • Renthal develops all of their dirt bike, ATV, and street bike products in house in their UK facilities to ensure the highest quality product is delivered.
  • The Renthal chain and sprocket kit is an easy and inexpensive way to change the power delivery of your motorcycle, stay with stock gearing to keep the same power delivery or chose different sized front or rear sprockets to alter the way your motorcycle puts power to the ground.
  • Renthal manufactures all of their off-road sprockets using precision CNC machining which is kept to extremely tight tolerances to ensure exact fit and finish.
  • Renthal front sprockets, also known as "chainwheels", are made of 655m13 nickel-chrome-molybdenum alloy steel, which means each Renthal front sprocket provides the ultimate in strength and hardness providing extreme endurance without weight gains.
  • Renthal manufactures the rear sprockets out of specially enhance 7075 t6 aluminum alloy to keep weight down and strength up.
  • Whether you are choosing this kit for a dirt bike, ATV, or street bike application you will receive a Renthal front sprocket, Renthal aluminum rear sprocket and a Renthal R1 520 gold chain (chain upgrades are available from the drop down menu, prices will vary where indicated).
  • You can profile your ride above with our ride selector to see what Renthal kits we have available for your dirt bike.

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  • Customer Reviews
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(331)
4.7 out of 5 stars
5 star   255
4 star   66
3 star   4
2 star   2
1 star   4
Write a Review
“ Great value, cool style, and excellent price point. ”
AaronB Location: Marysville, WA, USA
“ Easy to put on and man it looks great I love it and will only buy renthal from here on out definitly ... ”
MotoCrash250R Location: Marysville, CA, USA
“ these renthal sprockets and chain were fairly easy to install minus cutting the chain to fit which fo... ”
450rrider
1-10 of 331
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Location: Marysville, WA, USA
Good value
Great value, cool style, and excellent price point.
Overall
Durability
Ease of Installation
Performance
Style
Verified Purchaser
Location: Marysville, CA, USA
Best combo ever
Easy to put on and man it looks great I love it and will only buy renthal from here on out definitly recommend it
Overall
Durability
Ease of Installation
Performance
Style
Verified Purchaser
Location: Amarillo, TX, USA
Renthal Chain and Sprocket Kit
I love Renthal! Great products. I would highly recomend this to anyone, racer or trail rider!
Overall
Durability
Ease of Installation
Performance
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Verified Purchaser
Good Sprockets
these renthal sprockets and chain were fairly easy to install minus cutting the chain to fit which for me wasnt a big deal but for others it may be. they look good and fitment was great. only thing is that i wish there were color options for the trx450r
Overall
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Ease of Installation
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Location: Mountain Rest, SC
Great buys!
Rental products are the most durable and cost keep effective items... great products!
Overall
Durability
Ease of Installation
Performance
Style
Top 100 Contributor
Location: Tuscaloosa, AL
Renthal = Quality
Renthal builds quality products. I've used these sprockets and chains for a while and have found them to last a long time.
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Ease of Installation
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Location: nor cal
Renthal sprockets and did chain combo
there really is nothing better than this combo! sprockets last and chain stays gold longer than any other.
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Top 500 Contributor
Nice looking
best price and performance
Overall
Durability
Ease of Installation
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Location: Shreveport, LA, USA
Awsome sprocket an chain kit
instantly noticed a difference of the smoothness of my bike. the chain is good looking an when u tighten it it will stay tight. great buy an great product.... I recommend it.
Overall
Durability
Ease of Installation
Performance
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Location: Topeka, KS, USA
Awesome!
I installed this on a KFX400. After being a Honda guy all my life I wasn't prepared to have to remove the left rear tire and hub to get the sprocket off the axle, however, once I did that it was an easy go of things. Both sprockets were easy to install, look great and perform the way they're supposed to. I know I will be doing this package again when it comes time to replace the next one.
1-10 of 331
Total Questions (69)
Questions with answers:
  69
Questions without answers:
0
Have a question?
“ Will the renthal chain and sprocket kit fit my bike?... ”
kidmoto Location: Daytona Beach, FL, USA
“ What is the difference in an o-ring, x-ring, and z-ring chain? i have an 08 yfz 450 that i mostly rid... ”
farmboy11
“ Need a chain for my 2000 Honda 300ex?... ”
Tyler
1-10 of 69
pikutegbe 15 days ago
More bottom end?
looking for a new chain and sprocket combo for my 99 YZ250 looking for a little more bottom end punch only ride trails in woods what would you suggest currently stock sprockets but have PC chamber fmf powercore2 pipe twin air filter and boyessen reeds
MotoSport Staff
8 days 22 hours ago Location: Portland, OR, USA
You could go up one or two teeth in the rear for a slight change or down one tooth in the front for a little larger change. It really is more of a personal preference on how much you would want to change. Keep in mind you will lose top speed to gain that extra punch you are looking for.
Answer this Question
kidmoto 23 days ago Location: Daytona Beach, FL, USA
Will the renthal chain and sprocket kit fit my bike?
MotoSport Staff
19 days ago Location: Portland, OR, USA
Unfortunately this Renthal Chain and Sprocket kit will not fit your 1992 Honda CB250. When shopping for sprockets or chains, also make sure to check that you are in the correct store front- this being under dirt bike.
Answer this Question
farmboy11 29 days ago
What is the difference in an o-ring, x-ring, and z-ring chain? i have an 08 yfz 450 that i mostly ride in sand and mud, what would you recomend?
Top 100 Contributor
29 days ago Location: Tuscaloosa, AL
O-ring, x-ring and z-ring define how the chain is sealed around the links of the chain. A regular chain (non o-ring) simply has the links connected normally. Use must remove, clean, and oil this chain frequently. An o-ring chain uses tiny o-rings around the pivot points to seal in lubrication. An x-ring and z-ring chain are variants of the o-ring chain that use specially shaped "o-rings" to seal the chain. Some people say that any type of sealed chain (o,x or z-ring) will rob power from your bike. But, I ride a KX250F with an o-ring chain and to me the power loss is so small it's insignificant. My experience has been that an o-ring chain last a lot longer and requires much less adjusting and cleaning and lubricating. If I was riding motocross/supercross I would use a regular non-sealed chain. If I was riding woods, I would use an o-ring chain. I've never tried the x-ring chain (cause the o-ring works so well) and a z-ring is mostly for sport bikes I think. Hope this helps!
MotoSport Staff
28 days ago Location: Portland, OR, USA
The main difference between the chains are the sealing rings. The o-ring chain only has one sealing lip, an x-ring chain has 2 sealing lips, and the z-ring chains have a new style ring the fits the rollers better and also has 2 sealing lips. If you are riding in the sand and mud i would recommend any of these as none of them are specific to dirt bikes, atvs and sport bikes. However each chain should have the same maintenance. Just because it seals better internally doesn't mean the chain the chain doesn't need to be cleaned or lubed. A dirty or dry chain will wear out your sprockets much quicker. Not to mention it will cause excess drag and wear out the chain sliders and guides also. For your application any of the 3 chains in a 520 pitch work out great. Just make sure to absolutely keep them clean and lubed. Silkolene has a light lube that will work well and not attract a lot of sand.
Answer this Question
Tyler 1 month 3 days ago
Need a chain for my 2000 Honda 300ex?
I think the renthal chain and sprocket kit is what I'm gunna get but the on the stock front sprocket there was two holes for a cover almost to hold the sprocket on that slides on the shaft after the sprocket is on and there's a little spot on the shaft for it and then you line up the holes and just bolt it to the front sprocket to keep it and the front sprocket with the renthal kit doesn't have the two hole so how would this work
MotoSport Staff
1 month ago Location: Portland, OR, USA
The picture you see is a generic picture provided by Renthal to showcase their product. It is not a picture specific to your application. If you profile your bike as a 2000 TRX300EX when purchasing you will receive correct style sprockets specific to your bike.
Answer this Question
Kmkoop 1 month 14 days ago
What sprockets and chain do I need for my 2008 honda trx450r?
I want my quad to get up and go faster and want more speed in 5th gear, how many sprockets and what chain do I need?
MotoSport Staff
1 month 10 days ago Location: Portland, OR, USA
You'll need to visit the Sport Quad section of our website. Visit this link here: http://www.motosport.com/atv/RENTHAL-CHAIN-SPROCKET-KIT Select your model information, and then the gearing you would like to use. For a minor change in top speed, you can go one or two teeth less on the rear sprocket from stock. For a more significant change you can go one up on the countershaft sprocket from stock- or a combination of the two.
Answer this Question
Damgaard98 1 month 15 days ago Location: Denmark
How much top speed will i lose?
I want to increase the low end power on my ktm 125 sx 2003, but without losing all to much top speed. So what will be the best for me? i only drive in the woods and fields.
Top 500 Contributor
1 month 14 days ago Location: adams Tn
Since you sound as you are riding for fun and not racing. I would suggest the following gear ratio 13X 52. 125s need a little more torque in the woods in tight trails more than they need a 60 MPH top speed. With this gearing you will be able to pull fairly well at low RPM and still have plenty of hit on top. If you are over 220 lbs you may want to go to a 53 rear... your problem will be with the chain guide clearance to big of a rear sprocket requires a very steep angle for the chain ..Replace chains and sprockets as a set.....you may consider a fly wheel weight too...
MotoSport Staff
1 month 12 days ago Location: Portland, OR, USA
I would like to agree with the previous reply to this question. Changing the teeth on the rear sprocket will not be as severe as changing gearing on the c/s sprocket. Going to a 52 or 53 on the rear would be ideal for your 125 and the type of riding you are doing.
Answer this Question
JohnCF 2 years 11 months ago
I have a 2001 cr125, what is the best renthal chain to go with. And i want to go for more top speed but will i loose alot of torque?
will an fmf sst pipe and shorty 2, with v-force 3 reed box makeup for the loss in torque
MotoSport Staff
2 years 11 months ago Location: Tualatin
I would just stick with the Renthal R1 roller chain, the O-Ring is great but would rob some valuable power from that 125. Gearing is all give and take so if you want more top end you will lose a little on the bottom. And yes, the FMF SST and V-Force 3 would definitely give you some more torque.
2 months 17 days ago Location: Neosho, MO, USA
I have personally used the standard DID chains and have had awesome luck. As far as renthal goes I am not 100% sure. A lot of it would depend on your riding, but from what i have reviewed the standard renthal chain is good as well. You will lose torque if you are going for top end. Especially being a 2 stroke, 125s are not known for being real "torquey" as opposed to a four stroke. Adding the exhaust and new reed valves will make a difference, but It won't be as noticeable as you would think. New sprockets makes the biggest difference. Or installing a bore kit!
Answer this Question
08kx100ridernum5 2 years 12 months ago Location: Chicago. IL
How many chain links should i get for a 08 kx100?
the front sprocket is 13 and the rear is 51.
MotoSport Staff
2 years 12 months ago Location: Tualatin
you will need to order the 130L chain for the KX100
Top 100 Contributor
29 days ago Location: Tuscaloosa, AL
Most of the chains are sold longer than you need and you will have to cut the chain down to fit your bike. There are a lot of variables when determining the length of your chain. Sprocket size (front and rear) and where the wheel is adjusted front to back in the sub-frame. You can't just count the links of your old chain because, if you are replacing it, it has probably stretched. The best method is to buy the chain, put it on the bike to determine the number of lengths and then cut it to fit. Good Luck!
Answer this Question
Jayracer409 Over 3 years ago
Is the 120links a 520 chain?
i have a CRF 250 R 2006 and it has a 520 chain and i need to know if a chain that has 120 links fit it like your product says it does
MotoSport Staff
Over 3 years ago Location: Tualatin
all of our 520 chains come in 120 links, you will need to cut it to length.
Top 250 Contributor
2 years 10 months ago Location: blairsville, PA
it should fit, you may even have to take a few off, i just bought mine and got them today
Answer this Question
08yz250f Over 3 years ago
I have a 08 yz250f but red isnt one of the choices how do i get a red one?
MotoSport Staff Expert
2 years 12 months ago Location: Portland, OR
You don't. They don't make a red on for your bike.
Answer this Question
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