07:20 PM

Skip to content

Free shipping on online orders over $150*

Shop
- Batteries
  
  Motobatt
  SSB
  YUASA
- Boots
  
  SPIDI
  Gaerne
  SIDI
  Forma
- Driveline
  
  MOTO MASTER
  D.I.D
- Brakes
  
  Brembo
- Casual
  
  Sunglasses
- Clearance
  
  Leatt
  Oxford
  Road
  Shift
- Communication
  
  Garmin
  Cardo
  Quad Lock
  SENA
- Controls
  
  Tommaselli
  Motion Pro
  Pro Taper
  Renthal
- Goggles
  
  100%
  Blur
  Leatt
  Oakley
- Engine
  
  Boyesen
  K&N
  Twin Air
  Vertex
  Wossner
- Exhausts
  
  FMF
- Helmets
  
  Airoh
  AGV
  LS2
  Bell
  HJC
  Nolan
  Shoei
- Lubricants
  
  Bel-Ray
  Maxima
  Motul
  Muc-Off
  No-Toil
  Putoline
  Scottoiler
- Luggage
  
  Giant Loop
  Givi
  Kriega
  OGIO
- Off Road Gear
  
  Leatt
  Shift
  ONEAL
  THOR
- Off Road Accessories
  
  Polisport
  CROSSPRO
  DRC
  PSYCHIC MX
  Acerbis
  Barkbusters
  RTech
  Zeta
- Road Gear
  
  DRIRIDER
  Five
  IXON
  RJays
  RST
  Stylmartin
- Road Accessories
  
  Oxford
  R&G
  SW Motech
- Tyres
  
  Dunlop
  Pirelli
  Bridgestone
  MOTOZ
  Michelin
  Metzeler
- Workshop
  
  Bike Lift
- Yamaha Genuine Parts
Yamaha Road
Yamaha Dirt
E Balance Bikes
Pre-owned
Workshop

Shop
- Batteries
  
  Motobatt
  SSB
  YUASA
- Boots
  
  SPIDI
  Gaerne
  SIDI
  Forma
- Driveline
  
  MOTO MASTER
  D.I.D
- Brakes
  
  Brembo
- Casual
  
  Sunglasses
- Clearance
  
  Leatt
  Oxford
  Road
  Shift
- Communication
  
  Garmin
  Cardo
  Quad Lock
  SENA
- Controls
  
  Tommaselli
  Motion Pro
  Pro Taper
  Renthal
- Goggles
  
  100%
  Blur
  Leatt
  Oakley
- Engine
  
  Boyesen
  K&N
  Twin Air
  Vertex
  Wossner
- Exhausts
  
  FMF
- Helmets
  
  Airoh
  AGV
  LS2
  Bell
  HJC
  Nolan
  Shoei
- Lubricants
  
  Bel-Ray
  Maxima
  Motul
  Muc-Off
  No-Toil
  Putoline
  Scottoiler
- Luggage
  
  Giant Loop
  Givi
  Kriega
  OGIO
- Off Road Gear
  
  Leatt
  Shift
  ONEAL
  THOR
- Off Road Accessories
  
  Polisport
  CROSSPRO
  DRC
  PSYCHIC MX
  Acerbis
  Barkbusters
  RTech
  Zeta
- Road Gear
  
  DRIRIDER
  Five
  IXON
  RJays
  RST
  Stylmartin
- Road Accessories
  
  Oxford
  R&G
  SW Motech
- Tyres
  
  Dunlop
  Pirelli
  Bridgestone
  MOTOZ
  Michelin
  Metzeler
- Workshop
  
  Bike Lift
- Yamaha Genuine Parts
Yamaha Road
Yamaha Dirt
E Balance Bikes
Pre-owned
Workshop

Search

Item added to your cart

View cart

Collection: Engine

Sort by:

1937 products

Filter:

Availability (0)

Availability

In stock (1248 products)
Out of stock (755 products)

Price

The highest price is $2,660.00

$

From

To

Size (0)

Size

Piston A (Standard) (222 products)
Piston B (+0.01mm) (192 products)
Piston C (+0.02mm) (6 products)
Piston Oversize (+0.25mm) (1 product)
Piston Oversize (+0.50mm) (20 products)
Piston Oversize (+0.60mm) (1 product)
Piston Oversize (+1.00mm) (10 products)
Piston Oversize (+1.10mm) (1 product)
Piston Oversize (+1.50mm) (3 products)
Piston Oversize (+2.00mm) (3 products)
Piston Oversize (+2.10mm) (1 product)
Piston Oversize (+3.00mm) (1 product)
Piston Oversize (+4.00mm) (2 products)
Piston Oversize (+5.50mm) (1 product)

Product type (0)

Product type

Bearings (1 product)
Boyesen (11 products)
Clutch Gaskets (198 products)
Complete Engine Rebuild Kits (89 products)
Conrod Kits (78 products)
Cylinders (21 products)
Drive Belts (37 products)
Driveshaft Housing Seal Kits (3 products)
ENGINE (29 products)
Engine Complete Gaskets (306 products)
Engine Top End Gaskets (308 products)
Engine Valves (73 products)
Exhaust Gaskets (4 products)
Ignition Gaskets (85 products)
Injector Throttle Body O-Ring Kits (10 products)
Intercom Parts (1 product)
Jet Pump Seal Kits (4 products)
Miscellaneous parts (1 product)
Oil Seals (84 products)
Other Gaskets (15 products)
Piston Circlips (7 products)
Piston Kits (298 products)
Piston Needle Bearings (22 products)
Piston Rings (20 products)
Power Valve Gasket Kits (35 products)
Top End Engine Rebuild Kits (101 products)
Water Pump Rebuild Kits (96 products)

Brand (0)

Brand

727 MOTO (4 products)
Boyesen (11 products)
Cylinder Works (21 products)
Dayco (33 products)
DAYCO (4 products)
Formula 454 (14 products)
Miscellaneous parts (1 product)
N-STYLE (12 products)
Sena (1 product)
Vertex (1409 products)
Wossner (427 products)

Filter and sort Filter

Filter and sort

Filter

1937 products

Availability

In stock (1248 products)
Out of stock (755 products)

Clear

Price

The highest price is $2,660.00

$

From

$

To

Clear

Size

Piston A (Standard) (222 products)
Piston B (+0.01mm) (192 products)
Piston C (+0.02mm) (6 products)
Piston Oversize (+0.25mm) (1 products)
Piston Oversize (+0.50mm) (20 products)
Piston Oversize (+0.60mm) (1 products)
Piston Oversize (+1.00mm) (10 products)
Piston Oversize (+1.10mm) (1 products)
Piston Oversize (+1.50mm) (3 products)
Piston Oversize (+2.00mm) (3 products)
Piston Oversize (+2.10mm) (1 products)
Piston Oversize (+3.00mm) (1 products)
Piston Oversize (+4.00mm) (2 products)
Piston Oversize (+5.50mm) (1 products)

Clear

Product type

Bearings (1 products)
Boyesen (11 products)
Clutch Gaskets (198 products)
Complete Engine Rebuild Kits (89 products)
Conrod Kits (78 products)
Cylinders (21 products)
Drive Belts (37 products)
Driveshaft Housing Seal Kits (3 products)
ENGINE (29 products)
Engine Complete Gaskets (306 products)
Engine Top End Gaskets (308 products)
Engine Valves (73 products)
Exhaust Gaskets (4 products)
Ignition Gaskets (85 products)
Injector Throttle Body O-Ring Kits (10 products)
Intercom Parts (1 products)
Jet Pump Seal Kits (4 products)
Miscellaneous parts (1 products)
Oil Seals (84 products)
Other Gaskets (15 products)
Piston Circlips (7 products)
Piston Kits (298 products)
Piston Needle Bearings (22 products)
Piston Rings (20 products)
Power Valve Gasket Kits (35 products)
Top End Engine Rebuild Kits (101 products)
Water Pump Rebuild Kits (96 products)

Clear

Brand

727 MOTO (4 products)
Boyesen (11 products)
Cylinder Works (21 products)
Dayco (33 products)
DAYCO (4 products)
Formula 454 (14 products)
Miscellaneous parts (1 products)
N-STYLE (12 products)
Sena (1 products)
Vertex (1409 products)
Wossner (427 products)

Clear

Sort by:

Remove all

1937 products

BOYESEN Clutch Cover

BOYESEN Clutch Cover

Regular price From $178.50 NZD

Regular price Sale price From $178.50 NZD
BOYESEN Ignition Cover

BOYESEN Ignition Cover

Regular price From $178.50 NZD

Regular price Sale price From $178.50 NZD
Vertex Water Pump Rebuild Kit - CRF450R '02-'08

Vertex Water Pump Rebuild Kit - CRF450R '02-'08

Regular price $67.99 NZD

Regular price Sale price $67.99 NZD
BOYESEN - Power Resin Reeds

BOYESEN - Power Resin Reeds

Regular price From $40.33 NZD

Regular price Sale price From $40.33 NZD
Vertex Water Pump Rebuild Kit - RM85 '02-'15

Vertex Water Pump Rebuild Kit - RM85 '02-'15

Regular price $65.99 NZD

Regular price Sale price $65.99 NZD
BOYESEN - Pro Carbon Series Reeds

BOYESEN - Pro Carbon Series Reeds

Regular price From $90.00 NZD

Regular price Sale price From $90.00 NZD
Vertex Water Pump Rebuild Kit - KTM EXC-G 450 '04-'06

Sold out

Vertex Water Pump Rebuild Kit - KTM EXC-G 450 '04-'06

Regular price $49.99 NZD

Regular price Sale price $49.99 NZD

Sold out
Vertex Complete Gasket Set with Oil Seals Kawasaki

Vertex Complete Gasket Set with Oil Seals Kawasaki

Regular price $269.98 NZD

Regular price Sale price $269.98 NZD
Oil Seal Kit 822374

Oil Seal Kit 822374

Regular price $55.00 NZD

Regular price Sale price $55.00 NZD
Vertex Complete Gasket Set with Oil Seals KTM

Sold out

Vertex Complete Gasket Set with Oil Seals KTM

Regular price $187.99 NZD

Regular price Sale price $187.99 NZD

Sold out
Wossner Piston Yamaha YZ125 98-01

Wossner Piston Yamaha YZ125 98-01

Regular price From $179.90 NZD

Regular price Sale price From $179.90 NZD
Vertex Top End Gasket Set Kawasaki

Vertex Top End Gasket Set Kawasaki

Regular price $65.00 NZD

Regular price Sale price $65.00 NZD
Vertex Top End Gasket Set KTM/Husqvarna

Sold out

Vertex Top End Gasket Set KTM/Husqvarna

Regular price $79.98 NZD

Regular price Sale price $79.98 NZD

Sold out
Wossner Needle Bearing - 15 x 19 x 19.5

Wossner Needle Bearing - 15 x 19 x 19.5

Regular price $39.99 NZD

Regular price Sale price $39.99 NZD
Vertex Water Pump Rebuild Kit - YZ250 '99-'16

Vertex Water Pump Rebuild Kit - YZ250 '99-'16

Regular price $76.99 NZD

Regular price Sale price $76.99 NZD
VERTEX IGNITION COVER GASKET YAMAHA

VERTEX IGNITION COVER GASKET YAMAHA

Regular price $8.98 NZD

Regular price Sale price $8.98 NZD
Vertex Complete Gasket Set with Oil Seals Yamaha

Sold out

Vertex Complete Gasket Set with Oil Seals Yamaha

Regular price $139.99 NZD

Regular price Sale price $139.99 NZD

Sold out
VERTEX INNER CLUTCH GASKET KTM

VERTEX INNER CLUTCH GASKET KTM

Regular price $27.98 NZD

Regular price Sale price $27.98 NZD
Vertex Top End Gasket Set Yamaha

Sold out

Vertex Top End Gasket Set Yamaha

Regular price $39.99 NZD

Regular price Sale price $39.99 NZD

Sold out
Vertex Top End Gasket Set KTM

Vertex Top End Gasket Set KTM

Regular price $64.99 NZD

Regular price Sale price $64.99 NZD
Vertex Top End Rebuild Kit - Forged Piston (B)

Vertex Top End Rebuild Kit - Forged Piston (B)

Regular price $440.00 NZD

Regular price Sale price $440.00 NZD
Complete Engine Rebuild Kit Honda CRF 250R '16-'17

Complete Engine Rebuild Kit Honda CRF 250R '16-'17

Regular price $1,700.00 NZD

Regular price Sale price $1,700.00 NZD
Wossner Piston Kawasaki KX125 04-08

Wossner Piston Kawasaki KX125 04-08

Regular price $204.99 NZD

Regular price Sale price $204.99 NZD
VERTEX IGNITION COVER GASKET YAMAHA

VERTEX IGNITION COVER GASKET YAMAHA

Regular price $14.99 NZD

Regular price Sale price $14.99 NZD
WOSSNER PISTON YAM YZ250 99> 66.95MM

WOSSNER PISTON YAM YZ250 99> 66.95MM

Regular price $239.87 NZD

Regular price Sale price $239.87 NZD
Wossner Piston Kawasaki KX250F 06-09

Wossner Piston Kawasaki KX250F 06-09

Regular price From $259.90 NZD

Regular price Sale price From $259.90 NZD
VERTEX OIL SEAL SET YAMAHA

VERTEX OIL SEAL SET YAMAHA

Regular price $80.99 NZD

Regular price Sale price $80.99 NZD
Wossner Piston KTM 144 SX / 150 SX 07-15

Wossner Piston KTM 144 SX / 150 SX 07-15

Regular price $243.09 NZD

Regular price Sale price $243.09 NZD
SPOKE REAR 8G 7 1/2 INCH SUIT YAMAHA YZ250FX WR250F WR450F SUZUKI DRZ250 DRZ400 00-20

Sold out

SPOKE REAR 8G 7 1/2 INCH SUIT YAMAHA YZ250FX WR250F WR450F SUZUKI DRZ250 DRZ400 00-20

Regular price $5.52 NZD

Regular price Sale price $5.52 NZD

Sold out
DAYCO SCOOTER DRIVE BELT 833-22.5-28

Sale

DAYCO SCOOTER DRIVE BELT 833-22.5-28

Regular price $157.86 NZD

Regular price ~~$225.51 NZD~~ Sale price $157.86 NZD

Sale
BOYESEN RAD Valve

BOYESEN RAD Valve

Regular price From $135.00 NZD

Regular price Sale price From $135.00 NZD
Wossner Piston KTM 350 EXC-F '20-'21 87.97mm 13.70:1

Wossner Piston KTM 350 EXC-F '20-'21 87.97mm 13.70:1

Regular price $384.77 NZD

Regular price Sale price $384.77 NZD
Ignition Cover Gasket Kit 816058

Ignition Cover Gasket Kit 816058

Regular price $22.99 NZD

Regular price Sale price $22.99 NZD
Wossner Piston Yamaha YZ85 '02-'23 47.45mm Double Ring

Wossner Piston Yamaha YZ85 '02-'23 47.45mm Double Ring

Regular price $199.99 NZD

Regular price Sale price $199.99 NZD
Top End Rebuild Kit VTK23630A-1 (2)

Sold out

Top End Rebuild Kit VTK23630A-1 (2)

Regular price $429.99 NZD

Regular price Sale price $429.99 NZD

Sold out
Vertex Water Pump Rebuild Kit - YZ125 '98-'04

Vertex Water Pump Rebuild Kit - YZ125 '98-'04

Regular price $70.00 NZD

Regular price Sale price $70.00 NZD

1
2
3
…
54

Finance & Insurance

YMF

Yamaha Motor Finance offers flexible repayments on 24mth to 60mth terms.

We want to ensure that you get to enjoy our lifestyle products even sooner.

Apply for finance now

Calculate your Repayments

YMI

Yamaha Motorcycle Insurance is Yamaha's factory backed insurance designed to suit your needs.

Get an insurance quote today

Information

Sizing Charts
About us
Parts Department
Service Department
Shipping and Returns
Privacy Policy

Contact us

Call 03 688 7611 and choose from the following options:

Parts and Accessories, website orders and E balance bike enquiries
Workshop bookings and enquires
Motorcycle, ATV and Side by Side sales enquires

Payment methods

© 2026, Timaru Yamaha Powered by Shopify

Refund policy
Privacy policy
Terms of service
Contact information
Shipping policy

Choosing a selection results in a full page refresh.
Opens in a new window.