Skip to content

Free shipping on online orders over $150*

Brands
Shop
- Dirt Gear
  
  Helmets
  Jerseys
  Pants
  Boots
  Goggles
  Gloves
  Protection
  Farm Helmets
  Dirt Clearance
  Fox Clearance
- Road Gear
  
  Boots
  Communication
  Gloves
  Helmets
  Helmet-Adventure
  Jackets
  Pants
  Protection
  Thermal
  Race Suits
  Road Clearance
- MTB - Bicycle Gear
  
  Gloves
  Helmets
  Jerseys
  Pants/Shorts
  Protection
  Shoes / Socks
- Casual
  
  Hats
  Tops - Mens
  Tops - Womens
  Pants - Mens
  Pants - Womens
  Youth
  Accessories
  Merchandise
- Hard Parts
  
  Brakes/Rotors
  Chains
  Carburetor/Jets
  Dirt Plastics
  Electrical
  Engine
  Exhausts
  Lights
  Sprockets
  Suspension Shocks
  Wheels/Rims
  Yamaha Genuine Parts
- Handlebar/Control
  
  Bar Pads
  Dirt Grips
  Foot Pegs
  Handle Bars
  Hand Guards
  Levers
  Mirrors
  Mounts/Cases
  Road Grips
- Accessories
  
  ATV Accessories
  Dirt Accessories
  Graphics/Decals
  Lifts/Stands
  ROV/SXS Accessories
  Road Accessories
  Security
- Workshop
  
  Air/Oil Filters
  Batteries/Chargers
  Bike Stands/Lifts
  Cleaners and Oils
  Spark Plugs
  Tools
  Wheel
- Luggage
  
  Accessories
  Backpacks
  Gear Bags
  Hydration
  Side Cases
  Tail Packs
  Tank Bags
  Top Boxes
  For Tenere 700
- Tyres
  
  ATV
  Bicycle/MTB/Ebike
  Dirt
  Adventure/Trail
  Race/Slick
  Road
  Tubes
- Generators
  
  Inverter
  Conventional
Yamaha Road
Yamaha Dirt
E Bikes
Used Motorcycles

Facebook
Instagram
YouTube

Brands
Shop
Yamaha Road
Yamaha Dirt
E Bikes
Used Motorcycles

Search

Item added to your cart

Collection: Engine

Sort by:

1656 products

Filter:

Availability (0)

Availability

In stock (964 products)
Out of stock (773 products)

In stock (964 products)
Out of stock (773 products)

Price

The highest price is $3,659.99

$

From

To

Size (0)

Size

Piston A (Standard) (228 products)
Piston B (+0.01mm) (188 products)
Piston C (+0.02mm) (9 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 (+2.50mm) (1 product)
Piston Oversize (+3.00mm) (1 product)
Piston Oversize (+4.00mm) (2 products)
Piston Oversize (+5.50mm) (1 product)

Piston A (Standard) (228 products)
Piston B (+0.01mm) (188 products)
Piston C (+0.02mm) (9 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 (+2.50mm) (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 (44 products)
Complete Engine Rebuild Kits (92 products)
Conrod Kits (75 products)
Cylinders (31 products)
Drive Belts (57 products)
Driveshaft Housing Seal Kits (4 products)
ENGINE (41 products)
Engine Complete Gaskets (321 products)
Engine Top End Gaskets (297 products)
Engine Valves (64 products)
Exhaust Gaskets (4 products)
GASKETS (1 product)
Ignition Gaskets (29 products)
Injector Throttle Body O-Ring Kits (8 products)
Intercom Parts (1 product)
Jet Pump Seal Kits (5 products)
Miscellaneous parts (1 product)
Oil Seals (31 products)
Other Gaskets (4 products)
Piston Circlips (7 products)
Piston Kits (292 products)
Piston Needle Bearings (22 products)
Piston Rings (20 products)
Power Valve Gasket Kits (3 products)
Top End Engine Rebuild Kits (84 products)
Water Pump Rebuild Kits (106 products)

BEARINGS (1 product)
Boyesen (11 products)
Clutch Gaskets (44 products)
Complete Engine Rebuild Kits (92 products)
Conrod Kits (75 products)
Cylinders (31 products)
Drive Belts (57 products)
Driveshaft Housing Seal Kits (4 products)
ENGINE (41 products)
Engine Complete Gaskets (321 products)
Engine Top End Gaskets (297 products)
Engine Valves (64 products)
Exhaust Gaskets (4 products)
GASKETS (1 product)
Ignition Gaskets (29 products)
Injector Throttle Body O-Ring Kits (8 products)
Intercom Parts (1 product)
Jet Pump Seal Kits (5 products)
Miscellaneous parts (1 product)
Oil Seals (31 products)
Other Gaskets (4 products)
Piston Circlips (7 products)
Piston Kits (292 products)
Piston Needle Bearings (22 products)
Piston Rings (20 products)
Power Valve Gasket Kits (3 products)
Top End Engine Rebuild Kits (84 products)
Water Pump Rebuild Kits (106 products)

Brand (0)

Brand

727 MOTO (4 products)
Boyesen (11 products)
Cylinder Works (31 products)
Dayco (57 products)
Formula 454 (26 products)
IWATA (1 product)
Miscellaneous parts (1 product)
N-STYLE (12 products)
Sena (1 product)
Vertex (1094 products)
Wossner (418 products)

727 MOTO (4 products)
Boyesen (11 products)
Cylinder Works (31 products)
Dayco (57 products)
Formula 454 (26 products)
IWATA (1 product)
Miscellaneous parts (1 product)
N-STYLE (12 products)
Sena (1 product)
Vertex (1094 products)
Wossner (418 products)

Sort by:

Filter and sort Filter

Filter and sort

Filter

1656 products

Availability

In stock (964 products)
Out of stock (773 products)

Clear

Price

The highest price is $3,659.99

$

From

$

To

Clear

Size

Piston A (Standard) (228 products)
Piston B (+0.01mm) (188 products)
Piston C (+0.02mm) (9 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 (+2.50mm) (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 (44 products)
Complete Engine Rebuild Kits (92 products)
Conrod Kits (75 products)
Cylinders (31 products)
Drive Belts (57 products)
Driveshaft Housing Seal Kits (4 products)
ENGINE (41 products)
Engine Complete Gaskets (321 products)
Engine Top End Gaskets (297 products)
Engine Valves (64 products)
Exhaust Gaskets (4 products)
GASKETS (1 products)
Ignition Gaskets (29 products)
Injector Throttle Body O-Ring Kits (8 products)
Intercom Parts (1 products)
Jet Pump Seal Kits (5 products)
Miscellaneous parts (1 products)
Oil Seals (31 products)
Other Gaskets (4 products)
Piston Circlips (7 products)
Piston Kits (292 products)
Piston Needle Bearings (22 products)
Piston Rings (20 products)
Power Valve Gasket Kits (3 products)
Top End Engine Rebuild Kits (84 products)
Water Pump Rebuild Kits (106 products)

Clear

Brand

727 MOTO (4 products)
Boyesen (11 products)
Cylinder Works (31 products)
Dayco (57 products)
Formula 454 (26 products)
IWATA (1 products)
Miscellaneous parts (1 products)
N-STYLE (12 products)
Sena (1 products)
Vertex (1094 products)
Wossner (418 products)

Clear

Sort by:

Remove all

1656 products

Vertex Top End Gasket Set Honda

Sold out

Vertex Top End Gasket Set Honda

Regular price $129.99 NZD

Regular price Sale price $129.99 NZD
Unit price per

Sold out
Vertex Top End Gasket Set Suzuki

Vertex Top End Gasket Set Suzuki

Regular price $59.99 NZD

Regular price Sale price $59.99 NZD
Unit price per
Vertex Top End Gasket Set Suzuki

Sold out

Vertex Top End Gasket Set Suzuki

Regular price $49.99 NZD

Regular price Sale price $49.99 NZD
Unit price per

Sold out
Vertex Complete Gasket Set with Oil Seals KTM

Sold out

Vertex Complete Gasket Set with Oil Seals KTM

Regular price $169.98 NZD

Regular price Sale price $169.98 NZD
Unit price per

Sold out
Vertex Top End Gasket Set Yamaha

Vertex Top End Gasket Set Yamaha

Regular price $109.98 NZD

Regular price Sale price $109.98 NZD
Unit price per
Vertex Top End Gasket Set Yamaha

Sold out

Vertex Top End Gasket Set Yamaha

Regular price $21.99 NZD

Regular price Sale price $21.99 NZD
Unit price per

Sold out
Vertex Top End Gasket Set Honda

Vertex Top End Gasket Set Honda

Regular price $41.99 NZD

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

Vertex Top End Gasket Set Honda

Regular price $29.00 NZD

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

Vertex Top End Gasket Set Kawasaki

Regular price $139.99 NZD

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

Vertex Top End Gasket Set Yamaha

Regular price $129.99 NZD

Regular price Sale price $129.99 NZD
Unit price per
Vertex Top End Gasket Set Honda

Vertex Top End Gasket Set Honda

Regular price $74.99 NZD

Regular price Sale price $74.99 NZD
Unit price per
Vertex PWC Injector Throttle Body O-Ring Kit

Vertex PWC Injector Throttle Body O-Ring Kit

Regular price $36.00 NZD

Regular price Sale price $36.00 NZD
Unit price per
Vertex PWC Jet Pump Seal Kit

Vertex PWC Jet Pump Seal Kit

Regular price $69.99 NZD

Regular price Sale price $69.99 NZD
Unit price per
Vertex Top End Gasket Set Honda

Vertex Top End Gasket Set Honda

Regular price $90.00 NZD

Regular price Sale price $90.00 NZD
Unit price per
Wossner Piston Honda CR500 84-01 (Single Ring)

Wossner Piston Honda CR500 84-01 (Single Ring)

Regular price $289.90 NZD

Regular price Sale price $289.90 NZD
Unit price per
Wossner Piston Yamaha YFM660 Grizzly 02-08

Sold out

Wossner Piston Yamaha YFM660 Grizzly 02-08

Regular price From $269.90 NZD

Regular price Sale price From $269.90 NZD
Unit price per

Sold out
Wossner Piston KTM 84SX 03-23 (Double Ring)

Wossner Piston KTM 84SX 03-23 (Double Ring)

Regular price $189.90 NZD

Regular price Sale price $189.90 NZD
Unit price per
Wossner Piston Honda CRF250R 04-05

Wossner Piston Honda CRF250R 04-05

Regular price $259.90 NZD

Regular price Sale price $259.90 NZD
Unit price per
Vertex Water Pump Rebuild Kit - TRX420FA '09-'15

Sale

Vertex Water Pump Rebuild Kit - TRX420FA '09-'15

Regular price $41.99 NZD

Regular price ~~$59.99 NZD~~ Sale price $41.99 NZD
Unit price per

Sale
Vertex Water Pump Rebuild Kit - Yamaha

Sold out

Vertex Water Pump Rebuild Kit - Yamaha

Regular price $65.00 NZD

Regular price Sale price $65.00 NZD
Unit price per

Sold out
Vertex Water Pump Rebuild Kit - WR450F '03-'06

Vertex Water Pump Rebuild Kit - WR450F '03-'06

Regular price $89.98 NZD

Regular price Sale price $89.98 NZD
Unit price per
WOSSNER CONROD HON CR250 78-01

WOSSNER CONROD HON CR250 78-01

Regular price $209.90 NZD

Regular price Sale price $209.90 NZD
Unit price per
Wossner Piston Yamaha YZ450F 20 (Double Ring)

Wossner Piston Yamaha YZ450F 20 (Double Ring)

Regular price $309.89 NZD

Regular price Sale price $309.89 NZD
Unit price per
Wossner Piston Kawasaki KX250F 10 (Pro) (Hi-Comp)

Sold out

Wossner Piston Kawasaki KX250F 10 (Pro) (Hi-Comp)

Regular price $259.90 NZD

Regular price Sale price $259.90 NZD
Unit price per

Sold out
Wossner Piston Yamaha YZ250F 16-18

Wossner Piston Yamaha YZ250F 16-18

Regular price From $299.99 NZD

Regular price Sale price From $299.99 NZD
Unit price per
Wossner Piston Honda CRF450R 04

Sold out

Wossner Piston Honda CRF450R 04

Regular price $289.90 NZD

Regular price Sale price $289.90 NZD
Unit price per

Sold out
Wossner Piston Kawasaki KX450 19-20 (Pro DLC Pin) (Hi-Comp)

Wossner Piston Kawasaki KX450 19-20 (Pro DLC Pin) (Hi-Comp)

Regular price From $359.90 NZD

Regular price Sale price From $359.90 NZD
Unit price per
Wossner Piston Kawasaki KDX220R 89-05

Sold out

Wossner Piston Kawasaki KDX220R 89-05

Regular price $219.89 NZD

Regular price Sale price $219.89 NZD
Unit price per

Sold out
Wossner Piston KTM 250 SX-F 06-09 / Husaberg FE250 13 (Pro) (Hi-Comp)

Sold out

Wossner Piston KTM 250 SX-F 06-09 / Husaberg FE250 13 (Pro) (Hi-Comp)

Regular price $279.90 NZD

Regular price Sale price $279.90 NZD
Unit price per

Sold out
Wossner Piston Kawasaki KX250F 11-14 (Pro) (Hi-Comp)

Sold out

Wossner Piston Kawasaki KX250F 11-14 (Pro) (Hi-Comp)

Regular price $259.90 NZD

Regular price Sale price $259.90 NZD
Unit price per

Sold out
Wossner Piston Yamaha XT660R 04+

Wossner Piston Yamaha XT660R 04+

Regular price $0.00 NZD

Regular price Sale price $0.00 NZD
Unit price per
Wossner Piston Yamaha YZ250F 16-18 (Pro) (Hi-Comp)

Wossner Piston Yamaha YZ250F 16-18 (Pro) (Hi-Comp)

Regular price $0.00 NZD

Regular price Sale price $0.00 NZD
Unit price per
Wossner Piston Yamaha YZ250F 14-15 / WR250F 15+ (Pro) (Hi-Comp)

Wossner Piston Yamaha YZ250F 14-15 / WR250F 15+ (Pro) (Hi-Comp)

Regular price $0.00 NZD

Regular price Sale price $0.00 NZD
Unit price per
Wossner Piston Yamaha YZ125 90-93

Wossner Piston Yamaha YZ125 90-93

Regular price $0.00 NZD

Regular price Sale price $0.00 NZD
Unit price per
Wossner Piston Honda CR125 04

Wossner Piston Honda CR125 04

Regular price $0.00 NZD

Regular price Sale price $0.00 NZD
Unit price per
Wossner Piston KTM 450 SX-F 07-12 (Pro) (Hi-Comp)

Wossner Piston KTM 450 SX-F 07-12 (Pro) (Hi-Comp)

Regular price $0.00 NZD

Regular price Sale price $0.00 NZD
Unit price per
Wossner Piston Kawasaki KX450F 06-08 (Pro) (Hi-Comp)

Wossner Piston Kawasaki KX450F 06-08 (Pro) (Hi-Comp)

Regular price $0.00 NZD

Regular price Sale price $0.00 NZD
Unit price per
WOSSNER PISTON KTM SX450 RACING 03-06 (PRO) (HI-COMP)

WOSSNER PISTON KTM SX450 RACING 03-06 (PRO) (HI-COMP)

Regular price $0.00 NZD

Regular price Sale price $0.00 NZD
Unit price per
Wossner Piston Honda CR125 90-91

Wossner Piston Honda CR125 90-91

Regular price $0.00 NZD

Regular price Sale price $0.00 NZD
Unit price per
Wossner Piston Kawasaki KX125 03

Wossner Piston Kawasaki KX125 03

Regular price $0.00 NZD

Regular price Sale price $0.00 NZD
Unit price per

1
…
33
34
35
36
37
…
42

Yamaha 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

Phone 03 688 7611

**Please note website stock does not necessarily reflect stock carried in-store at Timaru Yamaha.

Facebook
Instagram
YouTube

Payment methods

© 2025, Timaru Yamaha Powered by Shopify

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