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Collection: Engine Rebuild Kits

Rebuild your engine with confidence using AJ's Mobile Powersport Mechanics Store. Explore high-quality engine rebuild kits designed for durability and peak performance.

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Complete Engine Rebuild Kits (94 products)
Top End Engine Rebuild Kits (365 products)

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Top End Engine Rebuild Kits (365 products)

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459 products

Top End Rebuild Kit (B) Honda CRF250X '04-'17

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Top End Rebuild Kit (B) Honda CRF250X '04-'17

Regular price $296.76 NZD

Regular price Sale price $296.76 NZD
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Top End Rebuild Kit (B) Kawasaki KX125 '06-'08

Top End Rebuild Kit (B) Kawasaki KX125 '06-'08

Regular price $215.00 NZD

Regular price Sale price $215.00 NZD
Unit price per
Top End Rebuild Kit (B) KTM 250 EXC 2017

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Top End Rebuild Kit (B) KTM 250 EXC 2017

Regular price $278.88 NZD

Regular price Sale price $278.88 NZD
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Top End Rebuild Kit (A) Honda CR250 '05-'07

Top End Rebuild Kit (A) Honda CR250 '05-'07

Regular price $245.83 NZD

Regular price Sale price $245.83 NZD
Unit price per
Top End Rebuild Kit (A) Yamaha YZ250 '97-'98

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Top End Rebuild Kit (A) Yamaha YZ250 '97-'98

Regular price $237.73 NZD

Regular price Sale price $237.73 NZD
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Top End Rebuild Kit (B) KTM 85 SX / Husqvarna TC85 '13-'17

Top End Rebuild Kit (B) KTM 85 SX / Husqvarna TC85 '13-'17

Regular price $182.79 NZD

Regular price Sale price $182.79 NZD
Unit price per
Top End Rebuild Kit (A) Kawasaki KX250 2001

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Top End Rebuild Kit (A) Kawasaki KX250 2001

Regular price $229.37 NZD

Regular price Sale price $229.37 NZD
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Top End Rebuild Kit (A) KTM 250 SX-F '06-'12

Top End Rebuild Kit (A) KTM 250 SX-F '06-'12

Regular price $335.88 NZD

Regular price Sale price $335.88 NZD
Unit price per
Top End Rebuild Kit (1.00 OS) Kawasaki KDX200 '95-'06

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Top End Rebuild Kit (1.00 OS) Kawasaki KDX200 '95-'06

Regular price $252.54 NZD

Regular price Sale price $252.54 NZD
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Top End Rebuild Kit (B) Suzuki RM85 '02-'19

Top End Rebuild Kit (B) Suzuki RM85 '02-'19

Regular price $175.47 NZD

Regular price Sale price $175.47 NZD
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Top End Rebuild Kit (A) KTM 150 SX '16-'17 - Single Ring

Top End Rebuild Kit (A) KTM 150 SX '16-'17 - Single Ring

Regular price $292.10 NZD

Regular price Sale price $292.10 NZD
Unit price per
Top End Rebuild Kit (A) Kawasaki KX250F '15-'16

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Top End Rebuild Kit (A) Kawasaki KX250F '15-'16

Regular price $308.32 NZD

Regular price Sale price $308.32 NZD
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Top End Rebuild Kit (A) Honda CRF450R 2017

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Top End Rebuild Kit (A) Honda CRF450R 2017

Regular price $364.73 NZD

Regular price Sale price $364.73 NZD
Unit price per

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Top End Rebuild Kit (B) KTM 125 EXC / XC-W 2017

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Top End Rebuild Kit (B) KTM 125 EXC / XC-W 2017

Regular price $257.66 NZD

Regular price Sale price $257.66 NZD
Unit price per

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Top End Rebuild Kit (B) Suzuki RM-Z450 '05-'07

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Top End Rebuild Kit (B) Suzuki RM-Z450 '05-'07

Regular price $317.98 NZD

Regular price Sale price $317.98 NZD
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Top End Rebuild Kit (B) KTM 450 SX-F / Husqvarna FC450 '16-'18

Top End Rebuild Kit (B) KTM 450 SX-F / Husqvarna FC450 '16-'18

Regular price $356.62 NZD

Regular price Sale price $356.62 NZD
Unit price per
Top End Rebuild Kit (A) Kawasaki KX85 '14-'18

Top End Rebuild Kit (A) Kawasaki KX85 '14-'18

Regular price $193.14 NZD

Regular price Sale price $193.14 NZD
Unit price per
Vertex Top End Rebuild Kit (B)

Vertex Top End Rebuild Kit (B)

Regular price $389.99 NZD

Regular price Sale price $389.99 NZD
Unit price per
Top End Rebuild Kit (A) Kawasaki KDX200 '89-'94

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Top End Rebuild Kit (A) Kawasaki KDX200 '89-'94

Regular price $255.66 NZD

Regular price Sale price $255.66 NZD
Unit price per

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Top End Rebuild Kit (A) Kawasaki KX85 '01-'13

Top End Rebuild Kit (A) Kawasaki KX85 '01-'13

Regular price $187.10 NZD

Regular price Sale price $187.10 NZD
Unit price per
Vertex Top End Rebuild Kit (A)

Vertex Top End Rebuild Kit (A)

Regular price $470.00 NZD

Regular price Sale price $470.00 NZD
Unit price per
Top End Rebuild Kit (B) Kawasaki KX125 '04-'05

Top End Rebuild Kit (B) Kawasaki KX125 '04-'05

Regular price $211.09 NZD

Regular price Sale price $211.09 NZD
Unit price per
Top End Rebuild Kit (B) KTM 200 SX / EXC '03-'05

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Top End Rebuild Kit (B) KTM 200 SX / EXC '03-'05

Regular price $239.21 NZD

Regular price Sale price $239.21 NZD
Unit price per

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Top End Rebuild Kit (A) Kawasaki KX125 '01-'02

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Top End Rebuild Kit (A) Kawasaki KX125 '01-'02

Regular price $221.18 NZD

Regular price Sale price $221.18 NZD
Unit price per

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Top End Rebuild Kit (0.50 OS) Yamaha YZ125 '98-'00 (Bearing Not Included)

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Top End Rebuild Kit (0.50 OS) Yamaha YZ125 '98-'00 (Bearing Not Included)

Regular price $173.68 NZD

Regular price Sale price $173.68 NZD
Unit price per

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Top End Rebuild Kit (0.50 OS) Honda XR200R '86-'02

Top End Rebuild Kit (0.50 OS) Honda XR200R '86-'02

Regular price $212.27 NZD

Regular price Sale price $212.27 NZD
Unit price per
Top End Rebuild Kit (A) Yamaha YZ450F 2018

Top End Rebuild Kit (A) Yamaha YZ450F 2018

Regular price $418.09 NZD

Regular price Sale price $418.09 NZD
Unit price per
Top End Rebuild Kit (B) KTM 125 SX '07-'15

Top End Rebuild Kit (B) KTM 125 SX '07-'15

Regular price $225.68 NZD

Regular price Sale price $225.68 NZD
Unit price per
Top End Rebuild Kit (B PRO) Honda CRF450R '02-'03

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Top End Rebuild Kit (B PRO) Honda CRF450R '02-'03

Regular price $331.53 NZD

Regular price Sale price $331.53 NZD
Unit price per

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Top End Rebuild Kit (A) Kawasaki KLF300B 2WD '89-'03

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Top End Rebuild Kit (A) Kawasaki KLF300B 2WD '89-'03

Regular price $237.67 NZD

Regular price Sale price $237.67 NZD
Unit price per

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Vertex Top End Rebuild Kit (B)

Vertex Top End Rebuild Kit (B)

Regular price $369.99 NZD

Regular price Sale price $369.99 NZD
Unit price per
Top End Rebuild Kit (B) Honda CRF250R '08-'09

Top End Rebuild Kit (B) Honda CRF250R '08-'09

Regular price $286.06 NZD

Regular price Sale price $286.06 NZD
Unit price per
Top End Rebuild Kit (B) Kawasaki KX250 '02-'04

Top End Rebuild Kit (B) Kawasaki KX250 '02-'04

Regular price $246.58 NZD

Regular price Sale price $246.58 NZD
Unit price per
Top End Rebuild Kit (B) Suzuki RM-Z450 '13-'17

Top End Rebuild Kit (B) Suzuki RM-Z450 '13-'17

Regular price $341.44 NZD

Regular price Sale price $341.44 NZD
Unit price per
Top End Rebuild Kit (B) Suzuki RM125 '04-'10

Top End Rebuild Kit (B) Suzuki RM125 '04-'10

Regular price $212.67 NZD

Regular price Sale price $212.67 NZD
Unit price per
Vertex Top End Rebuild Kit - Forged Piston (A)

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Vertex Top End Rebuild Kit - Forged Piston (A)

Regular price $429.99 NZD

Regular price Sale price $429.99 NZD
Unit price per

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