07:11 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
- Goggles
  
  100%
  Blur
  Leatt
  Oakley
- Engine
  
  Boyesen
  K&N
  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
- Road Gear
  
  DRIRIDER
  RJays
  IXON
  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
- Goggles
  
  100%
  Blur
  Leatt
  Oakley
- Engine
  
  Boyesen
  K&N
  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
- Road Gear
  
  DRIRIDER
  RJays
  IXON
  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:

1947 products

Filter:

Availability (0)

Availability

In stock (1187 products)
Out of stock (827 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 (202 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 (88 products)
Injector Throttle Body O-Ring Kits (11 products)
Intercom Parts (1 product)
Jet Pump Seal Kits (4 products)
Miscellaneous parts (1 product)
Oil Seals (86 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 (1419 products)
Wossner (427 products)

Filter and sort Filter

Filter and sort

Filter

1947 products

Availability

In stock (1187 products)
Out of stock (827 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 (202 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 (88 products)
Injector Throttle Body O-Ring Kits (11 products)
Intercom Parts (1 products)
Jet Pump Seal Kits (4 products)
Miscellaneous parts (1 products)
Oil Seals (86 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 (1419 products)
Wossner (427 products)

Clear

Sort by:

Remove all

1947 products

Vertex Top End Gasket Set KTM

Vertex Top End Gasket Set KTM

Regular price $129.99 NZD

Regular price Sale price $129.99 NZD
Wossner Piston Yamaha YZ450F 18-19

Wossner Piston Yamaha YZ450F 18-19

Regular price From $367.06 NZD

Regular price Sale price From $367.06 NZD
Wossner Piston Honda TRX500 Rubicon 01-13

Sold out

Wossner Piston Honda TRX500 Rubicon 01-13

Regular price $331.64 NZD

Regular price Sale price $331.64 NZD

Sold out
Vertex Complete Gasket Set Kawasaki

Vertex Complete Gasket Set Kawasaki

Regular price $229.99 NZD

Regular price Sale price $229.99 NZD
Wossner Piston Honda CR250 05-07 (Single Ring)

Sold out

Wossner Piston Honda CR250 05-07 (Single Ring)

Regular price $254.36 NZD

Regular price Sale price $254.36 NZD

Sold out
Wossner Piston Kawasaki KX500 88-04

Wossner Piston Kawasaki KX500 88-04

Regular price From $289.90 NZD

Regular price Sale price From $289.90 NZD
Wossner Piston Kawasaki KX125 91

Sold out

Wossner Piston Kawasaki KX125 91

Regular price $209.28 NZD

Regular price Sale price $209.28 NZD

Sold out
Vertex Water Pump Rebuild Kit - RMZ450 '05-'07

Sold out

Vertex Water Pump Rebuild Kit - RMZ450 '05-'07

Regular price $64.98 NZD

Regular price Sale price $64.98 NZD

Sold out
Wossner Piston Yamaha YZ450F 06-09 / WR450F 06-15

Wossner Piston Yamaha YZ450F 06-09 / WR450F 06-15

Regular price $367.06 NZD

Regular price Sale price $367.06 NZD
WOSSNER CONROD KTM SX65 09> / HUSQVARNA TC85 17> / GASGAS MC85 21>

Sold out

WOSSNER CONROD KTM SX65 09> / HUSQVARNA TC85 17> / GASGAS MC85 21>

Regular price $199.99 NZD

Regular price Sale price $199.99 NZD

Sold out
Wossner Needle Bearing - 12 x 15 x 16.3

Wossner Needle Bearing - 12 x 15 x 16.3

Regular price $39.99 NZD

Regular price Sale price $39.99 NZD
Wossner 2-stroke Ring Ø65.00

Wossner 2-stroke Ring Ø65.00

Regular price $39.90 NZD

Regular price Sale price $39.90 NZD
WOSSNER PISTON KTM 250 SX-F 16-22 77.96MM 14.80:1

WOSSNER PISTON KTM 250 SX-F 16-22 77.96MM 14.80:1

Regular price $429.90 NZD

Regular price Sale price $429.90 NZD
Vertex Top End Rebuild Kit (A)

Sold out

Vertex Top End Rebuild Kit (A)

Regular price $530.00 NZD

Regular price Sale price $530.00 NZD

Sold out
VERTEX OIL SEAL SET HONDA

VERTEX OIL SEAL SET HONDA

Regular price $69.99 NZD

Regular price Sale price $69.99 NZD
Vertex Valve Exhaust - Steel

Vertex Valve Exhaust - Steel

Regular price $53.94 NZD

Regular price Sale price $53.94 NZD
VERTEX VALVE INTAKE TITANIUM CENTRE

Sold out

VERTEX VALVE INTAKE TITANIUM CENTRE

Regular price $189.75 NZD

Regular price Sale price $189.75 NZD

Sold out
WOSSNER CONROD HON CR80 86-02 / CR85 03-07

Sold out

WOSSNER CONROD HON CR80 86-02 / CR85 03-07

Regular price $169.90 NZD

Regular price Sale price $169.90 NZD

Sold out
Vertex Complete Gasket Set with Oil Seals Kawasaki

Vertex Complete Gasket Set with Oil Seals Kawasaki

Regular price $119.99 NZD

Regular price Sale price $119.99 NZD
Wossner Piston Yamaha YZ125 '22-'25 - 53.96mm Single Ring

Wossner Piston Yamaha YZ125 '22-'25 - 53.96mm Single Ring

Regular price $225.38 NZD

Regular price Sale price $225.38 NZD
Vertex Complete Gasket Set with Oil Seals Yamaha

Vertex Complete Gasket Set with Oil Seals Yamaha

Regular price $137.99 NZD

Regular price Sale price $137.99 NZD
Vertex Top End Rebuild Kit (A)

Vertex Top End Rebuild Kit (A)

Regular price $309.99 NZD

Regular price Sale price $309.99 NZD
Vertex Valve Exhaust - Steel

Sold out

Vertex Valve Exhaust - Steel

Regular price $56.36 NZD

Regular price Sale price $56.36 NZD

Sold out
Vertex Top End Gasket Set Yamaha

Vertex Top End Gasket Set Yamaha

Regular price $119.98 NZD

Regular price Sale price $119.98 NZD
Vertex Complete Gasket Set with Oil Seals Honda

Vertex Complete Gasket Set with Oil Seals Honda

Regular price $159.99 NZD

Regular price Sale price $159.99 NZD
Vertex Top End Gasket Set Suzuki

Sold out

Vertex Top End Gasket Set Suzuki

Regular price $59.99 NZD

Regular price Sale price $59.99 NZD

Sold out
Vertex Top End Gasket Set Yamaha

Vertex Top End Gasket Set Yamaha

Regular price $21.99 NZD

Regular price Sale price $21.99 NZD
Vertex Top End Gasket Set Honda

Vertex Top End Gasket Set Honda

Regular price $41.99 NZD

Regular price Sale price $41.99 NZD
Vertex Top End Gasket Set Honda

Vertex Top End Gasket Set Honda

Regular price $29.00 NZD

Regular price Sale price $29.00 NZD
Vertex Top End Gasket Set Kawasaki

Vertex Top End Gasket Set Kawasaki

Regular price $139.99 NZD

Regular price Sale price $139.99 NZD
Vertex Top End Gasket Set Yamaha

Sold out

Vertex Top End Gasket Set Yamaha

Regular price $150.99 NZD

Regular price Sale price $150.99 NZD

Sold out
Vertex PWC Injector Throttle Body O-Ring Kit

Sale

Vertex PWC Injector Throttle Body O-Ring Kit

Regular price $25.20 NZD

Regular price ~~$36.00 NZD~~ Sale price $25.20 NZD

Sale
Vertex PWC Jet Pump Seal Kit

Sale

Vertex PWC Jet Pump Seal Kit

Regular price $48.99 NZD

Regular price ~~$69.99 NZD~~ Sale price $48.99 NZD

Sale
Vertex Top End Gasket Set Honda

Sold out

Vertex Top End Gasket Set Honda

Regular price $90.00 NZD

Regular price Sale price $90.00 NZD

Sold out
Wossner Piston Honda CR500 84-01 (Single Ring)

Wossner Piston Honda CR500 84-01 (Single Ring)

Regular price $302.66 NZD

Regular price Sale price $302.66 NZD
Wossner Piston Yamaha YFM660 Grizzly 02-08

Sold out

Wossner Piston Yamaha YFM660 Grizzly 02-08

Regular price $331.64 NZD

Regular price Sale price $331.64 NZD

Sold out

1
…
46
47
48
49
50
…
55

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.