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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 (A) Honda CRF250R '08-'09

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

Regular price $286.06 NZD

Regular price Sale price $286.06 NZD
Unit price per
Vertex Top End Rebuild Kit (B)

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Vertex Top End Rebuild Kit (B)

Regular price $239.99 NZD

Regular price Sale price $239.99 NZD
Unit price per

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

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

Regular price $237.73 NZD

Regular price Sale price $237.73 NZD
Unit price per

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Vertex Top End Rebuild Kit (A)

Vertex Top End Rebuild Kit (A)

Regular price $530.00 NZD

Regular price Sale price $530.00 NZD
Unit price per
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
Unit price per
Vertex Top End Rebuild Kit (A)

Vertex Top End Rebuild Kit (A)

Regular price $389.99 NZD

Regular price Sale price $389.99 NZD
Unit price per
Top End Rebuild Kit (B) Suzuki RM250 '06-'09

Top End Rebuild Kit (B) Suzuki RM250 '06-'09

Regular price $255.47 NZD

Regular price Sale price $255.47 NZD
Unit price per
Vertex Top End Rebuild Kit (C)

Vertex Top End Rebuild Kit (C)

Regular price $350.00 NZD

Regular price Sale price $350.00 NZD
Unit price per
Vertex Top End Rebuild Kit (B)

Vertex Top End Rebuild Kit (B)

Regular price $290.00 NZD

Regular price Sale price $290.00 NZD
Unit price per
Vertex Top End Rebuild Kit (CD)

Vertex Top End Rebuild Kit (CD)

Regular price $230.00 NZD

Regular price Sale price $230.00 NZD
Unit price per
Vertex Top End Rebuild Kit (C)

Vertex Top End Rebuild Kit (C)

Regular price $249.99 NZD

Regular price Sale price $249.99 NZD
Unit price per
Top End Rebuild Kit (A) Kawasaki KDX200 '95-'06

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

Regular price $252.54 NZD

Regular price Sale price $252.54 NZD
Unit price per

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Vertex Top End Rebuild Kit (A)

Vertex Top End Rebuild Kit (A)

Regular price $239.99 NZD

Regular price Sale price $239.99 NZD
Unit price per
Vertex Top End Rebuild Kit (A)

Vertex Top End Rebuild Kit (A)

Regular price $389.99 NZD

Regular price Sale price $389.99 NZD
Unit price per
Top End Rebuild Kit (C) Suzuki RM125 '04-'10

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

Regular price $212.67 NZD

Regular price Sale price $212.67 NZD
Unit price per

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Top End Rebuild Kit (B PRO) Honda CRF250R '16-'17

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Top End Rebuild Kit (B PRO) Honda CRF250R '16-'17

Regular price $331.53 NZD

Regular price Sale price $331.53 NZD
Unit price per

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Top End Rebuild Kit (A) Yamaha YFM660 '02-'04

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Top End Rebuild Kit (A) Yamaha YFM660 '02-'04

Regular price $305.50 NZD

Regular price Sale price $305.50 NZD
Unit price per

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

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

Regular price $245.83 NZD

Regular price Sale price $245.83 NZD
Unit price per
Top End Rebuild Kit (A) Kawasaki KX250 '02-'04

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

Regular price $246.58 NZD

Regular price Sale price $246.58 NZD
Unit price per
Vertex Top End Rebuild Kit (A)

Vertex Top End Rebuild Kit (A)

Regular price $260.00 NZD

Regular price Sale price $260.00 NZD
Unit price per
Top End Rebuild Kit (B) KTM 125 SX '02-'06

Top End Rebuild Kit (B) KTM 125 SX '02-'06

Regular price $216.94 NZD

Regular price Sale price $216.94 NZD
Unit price per
Top End Rebuild Kit (0.50 OS PRO) Honda CRF230F '03-'16

Top End Rebuild Kit (0.50 OS PRO) Honda CRF230F '03-'16

Regular price $218.60 NZD

Regular price Sale price $218.60 NZD
Unit price per
Top End Rebuild Kit (A) Yamaha YZ450F '06-'09

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Top End Rebuild Kit (A) Yamaha YZ450F '06-'09

Regular price $327.23 NZD

Regular price Sale price $327.23 NZD
Unit price per

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Top End Rebuild Kit (A) Yamaha YZ125 '05-'19

Top End Rebuild Kit (A) Yamaha YZ125 '05-'19

Regular price $214.01 NZD

Regular price Sale price $214.01 NZD
Unit price per
Top End Rebuild Kit (B Pro) Yamaha YZ250F '05-'07

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Top End Rebuild Kit (B Pro) Yamaha YZ250F '05-'07

Regular price $311.24 NZD

Regular price Sale price $311.24 NZD
Unit price per

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Vertex Top End Rebuild Kit (A)

Vertex Top End Rebuild Kit (A)

Regular price $500.00 NZD

Regular price Sale price $500.00 NZD
Unit price per
Top End Rebuild Kit (1.00 OS) Yamaha PW50 '90-'16 (Bearing Not Included)

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Top End Rebuild Kit (1.00 OS) Yamaha PW50 '90-'16 (Bearing Not Included)

Regular price $135.34 NZD

Regular price Sale price $135.34 NZD
Unit price per

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Top End Rebuild Kit (A) KTM 125 SX '02-'06

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Top End Rebuild Kit (A) KTM 125 SX '02-'06

Regular price $208.33 NZD

Regular price Sale price $208.33 NZD
Unit price per

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Top End Rebuild Kit (A) KTM 300 EXC '08-'16

Top End Rebuild Kit (A) KTM 300 EXC '08-'16

Regular price $289.11 NZD

Regular price Sale price $289.11 NZD
Unit price per
Top End Rebuild Kit (A) KTM 450 SX-F / Husqvarna FC450 '16-'18

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

Regular price $356.62 NZD

Regular price Sale price $356.62 NZD
Unit price per

Sold out
Top End Rebuild Kit (0.50 OS) Yamaha PW50 '90-'16 (Bearing Not Included)

Top End Rebuild Kit (0.50 OS) Yamaha PW50 '90-'16 (Bearing Not Included)

Regular price $135.34 NZD

Regular price Sale price $135.34 NZD
Unit price per
Top End Rebuild Kit (B PRO) Honda CRF450R '05-'06

Sold out

Top End Rebuild Kit (B PRO) Honda CRF450R '05-'06

Regular price $331.53 NZD

Regular price Sale price $331.53 NZD
Unit price per

Sold out
Top End Rebuild Kit (A) Yamaha YZ450F '14-'17

Top End Rebuild Kit (A) Yamaha YZ450F '14-'17

Regular price $357.17 NZD

Regular price Sale price $357.17 NZD
Unit price per
Top End Rebuild Kit (A) Suzuki RM-Z450 '18-'19

Top End Rebuild Kit (A) Suzuki RM-Z450 '18-'19

Regular price $339.46 NZD

Regular price Sale price $339.46 NZD
Unit price per
Top End Rebuild Kit (B) Yamaha YZ250 '99-'00

Top End Rebuild Kit (B) Yamaha YZ250 '99-'00

Regular price $238.59 NZD

Regular price Sale price $238.59 NZD
Unit price per
Top End Rebuild Kit (A) Honda CRF450R '02-'03

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

Regular price $322.92 NZD

Regular price Sale price $322.92 NZD
Unit price per

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