Honda CRF 250 Rally YSS MZ456 Shock Absorber (17-21)

Honda CRF 250 Rally YSS MZ456 Shock Absorber (17-21) 5 5 5 1
£442.74
The YSS MZ Series are our most popular monoshock unit. Offering rebound damping adjustment, shock length and the usual lightweight, high quality anodised aluminium components.
SKU
MZ456-420TRL-05

The YSS MZ Series is an affordable but great quality replacement aftermarket shock absorber, built from top quality materials offering corrosion resistance and a weight saving when compared to the OEM equivalent. The MZ series shock is an emulsion design.

  • 45mm shock body (36mm on MZ366 models)
  • 16mm piston rod (12mm on MZ362 models)
  • 30 clicks rebound adjustment
  • Length adjustment (on most models)
  • Preload adjustment

Please see the specification tab for more detailed information.

All YSS shock absorbers are covered by a two-year manufacturer’s warranty.

We have the largest range of YSS MZ Series Shocks in the UK so you can be sure to find the ones you need!

"Specification"
BrandYSS
Shock Length (mm)420.00
Shock Top Mount TypeEye
Shock Top Mount Width (mm)30.00
Shock Top Mount Bolt Hole (mm)10.00
Shock Bottom Mount TypeFork
Shock Bottom Mount Width (mm)30.00
Shock Bottom Mount Bolt Hole (mm)10.00
Shock Absorber Spring Internal Diameter (mm)56.00
Shock Absorber Spring Length (mm)185.00
Shock Spring Rate (n/mm)85
Shock Preload AdjustmentThreaded
Shock Rebound AdjustmentYes
Shock Compression AdjustmentNone
Shock Length AdjustableYes
Shock Reservoir TypeEmulsion
Shock Piston Diameter (mm)45.00
Shock Rod Diameter (mm)16.00

Customer Reviews

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Excellent Service and Great Shock
5
23 Nov 2020
Marc at Brook Suspension was a huge help when it came to upgrading the suspension on my CRF 250 rally, he talked me through what spring rates he's recommend for the fork along with this YSS rear shock, the shock has transformed the bike completely! It actually sits in the correct sag range now and the with the addition of a stiffer front spring, the bike responds as it should do without wallowing in the bottom half of it's stroke all the time. I'd recommend the upgrade for anyone with a 250 Rally, it's not a huge expense and will give you so much more enjoyment out of the bike
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Excellent, highly reccommended
5
30 Jul 2020
Bought a YSS rear shock to replace Honda's comedy item fitted as standard on the CRF250 Rally. Great communication, price and service, the shock turned up very quickly. I won't hesitate to use these guys again. Gordon Blackley (Ex BSB and TT Racer)
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Got a CRF 250 Rally? This is a no brainer
5
18 Jun 2020
I recently purchased a Honda CRF 250 Rally, to have as a bit of a project. When it came to addressing the suspension issue, which on the CRF 250 L is notoriously under sprung and underdamped, after a bit of research I contacted Brook Suspension by phone and was given great advice, which led me to order a rear YSS shock and uprated front fork spring that same day. The order took a few days as the fork spring wasnt in stock, but Brook kept me updated and sent the items as soon as they had them. I fitted them recently and couldnt be more happy, the uprated suspension fitted perfectly and was easy to adjust even once installed. It has transformed the bike. Anyone who owns one of these bikes, plans on riding offroad...and wants to find out just what these bikes are capable of when fitted with decent suspension, really needs to add these items to their shopping list along with slightly lowered gearing and an exhaust that doesn't double up as an anchor!! For the price, absolutely brilliant.
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Great service, great value !
5
8 May 2020
From my first phone call I new these guys at Brook new their trade. Good explanation of products available, and what would suit my needs. Couldn’t ask for more, *Good tech knowledge, *Great communication, prompt and not pushy, *Great price.... Thanks guys, will defo use your services again. Steve B
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Top class
5
6 Apr 2020
Ordered to give me something to do during covid problems. Great choice of brands and an easy to navigate website made finding what I was after very easy. The shock turned up very quickly, shop performance excellent with minimal delay. Thanks. The shock itself appears to be a first class item, well made with a superb looking finish to all parts. Packaging too is right up there from a safety/damage point of view but also the look which belies the cost. Unable to give it a road test just yet but it seems to be a great update from the feel as a start! Thanks Yss and Brook!
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If you have a problem, or are unhappy with your purchase, then we will put the matter right. You can return any item within 14 days and we will gladly replace the item or offer a full refund for it. All we ask is that you notify us of the fault within 7 days and send the items back unused in their original condition with all the original packaging. If we have made a mistake, we'll also refund the delivery charges. For your protection, where you are returning an item to us, we recommend that you use a recorded-delivery service. Please note that you will be responsible for the costs of returning the goods to us unless we delivered the item to you in error or the item is faulty.

Delivery Logos

Who do we use to deliver your order?

Our back office systems are fully integrated with Royal Mail, FedEx and DHL which means that the second your parcel is dispatched you will be sent an email containing your tracking details, we also aim to incorporate your mobile number within the booking process to allow the courier to send you a text message. This allows both you and us to track your parcel's every move from our door to yours!

Small items and orders such as fork spares are usually sent via Royal Mail whereas shock absorbers and forks will be sent via FedEx or DHL, all of whom make daily collections from our premises.

All our delivery costs are calculated on total weight, this includes the weight of both the products and the packaging.

Points to note

  • We aim to deliver your order next day if ordered by 3pm if you use our express services
  • All returns must be sent back to us at our contact address at your own cost and risk
  • All delivery timescales are subject to stock availability
  • Small items may be delivered by post.
  • The contents of your order and your delivery postcode may determine which delivery services you will be provided
  • Please note that we are unable to deliver to PO Boxes on any of our delivery services

About YSS

YSS Shock Absorbers

YSS have been manufacturing motorcycle shock absorbers for over 30 years and are one of the world’s largest aftermarket shock absorber manufacturers.

Using advanced technology and equipment at their state-of-the-art factory in Thailand and with the support from their European research and development team are continuously developing new products for an even wider range of motorcycles and continue to improve the quality of their YSS shocks.

They now produce everything from budget to race spec mono and twin shock absorbers, steering dampers, fork cartridge kits, springs, fork emulators and fork upgrade kits for a massive range of motorcycles, scooters and ATVs.

All YSS products are constructed from high quality, corrosion resistant materials and are covered by a two year manufacturers warranty.

View more YSS products here

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