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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 (90 products)
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451 products

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

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

Regular price $227.90 NZD

Regular price Sale price $227.90 NZD

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Top End Rebuild Kit (0.50 OS) Honda TRX420 FE/FM/TE/TM '09-'15

Top End Rebuild Kit (0.50 OS) Honda TRX420 FE/FM/TE/TM '09-'15

Regular price $350.63 NZD

Regular price Sale price $350.63 NZD
Top End Rebuild Kit (A) KTM 250 EXC 2004

Top End Rebuild Kit (A) KTM 250 EXC 2004

Regular price $241.94 NZD

Regular price Sale price $241.94 NZD
Top End Rebuild Kit (B) KTM 250 SX-F / Husqvarna FC250 '16-'17

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Top End Rebuild Kit (B) KTM 250 SX-F / Husqvarna FC250 '16-'17

Regular price $435.18 NZD

Regular price Sale price $435.18 NZD

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Vertex Top End Rebuild Kit (AB)

Vertex Top End Rebuild Kit (AB)

Regular price $230.00 NZD

Regular price Sale price $230.00 NZD
Top End Rebuild Kit (A) Yamaha YZ426F '00-'02

Top End Rebuild Kit (A) Yamaha YZ426F '00-'02

Regular price $389.44 NZD

Regular price Sale price $389.44 NZD
Top End Rebuild Kit (B) KTM 250 SX '03-'04

Top End Rebuild Kit (B) KTM 250 SX '03-'04

Regular price $259.83 NZD

Regular price Sale price $259.83 NZD
Top End Rebuild Kit (B) Honda CRF250R '06-'07

Top End Rebuild Kit (B) Honda CRF250R '06-'07

Regular price $357.56 NZD

Regular price Sale price $357.56 NZD
Top End Rebuild Kit (A PRO) Honda CRF250R '16-'17

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

Regular price $332.31 NZD

Regular price Sale price $332.31 NZD

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Top End Rebuild Kit (A) Honda CR500 '89-'01 - Single Ring

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Top End Rebuild Kit (A) Honda CR500 '89-'01 - Single Ring

Regular price $317.69 NZD

Regular price Sale price $317.69 NZD

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Top End Rebuild Kit (B) Yamaha YZ400F '98-'99

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Top End Rebuild Kit (B) Yamaha YZ400F '98-'99

Regular price $365.88 NZD

Regular price Sale price $365.88 NZD

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Top End Rebuild Kit (A Pro) Yamaha YZ250F '08-'13

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Top End Rebuild Kit (A Pro) Yamaha YZ250F '08-'13

Regular price $403.99 NZD

Regular price Sale price $403.99 NZD

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Top End Rebuild Kit (A PRO) Honda CRF450R 2004

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Top End Rebuild Kit (A PRO) Honda CRF450R 2004

Regular price $306.49 NZD

Regular price Sale price $306.49 NZD

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

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

Regular price $394.29 NZD

Regular price Sale price $394.29 NZD
Top End Rebuild Kit (B) Suzuki RM-Z450 '08-'12

Top End Rebuild Kit (B) Suzuki RM-Z450 '08-'12

Regular price $399.83 NZD

Regular price Sale price $399.83 NZD
Top End Rebuild Kit (A) Honda CRF450R '15-'16

Top End Rebuild Kit (A) Honda CRF450R '15-'16

Regular price $402.61 NZD

Regular price Sale price $402.61 NZD
Top End Rebuild Kit (A) KTM 350 SX-F / Husqvarna FC350 '16-'17

Top End Rebuild Kit (A) KTM 350 SX-F / Husqvarna FC350 '16-'17

Regular price $406.76 NZD

Regular price Sale price $406.76 NZD
Vertex Top End Rebuild Kit (AB)

Vertex Top End Rebuild Kit (AB)

Regular price $230.00 NZD

Regular price Sale price $230.00 NZD
Top End Rebuild Kit (A) Honda CRF450R '13-'14

Top End Rebuild Kit (A) Honda CRF450R '13-'14

Regular price $402.61 NZD

Regular price Sale price $402.61 NZD
Top End Rebuild Kit (A) Yamaha WR450F '16-'19

Top End Rebuild Kit (A) Yamaha WR450F '16-'19

Regular price $424.09 NZD

Regular price Sale price $424.09 NZD
Vertex Top End Rebuild Kit (B)

Vertex Top End Rebuild Kit (B)

Regular price $350.00 NZD

Regular price Sale price $350.00 NZD
Top End Rebuild Kit (B) Kawasaki KDX200 '95-'06

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

Regular price $262.61 NZD

Regular price Sale price $262.61 NZD

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

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

Regular price $236.96 NZD

Regular price Sale price $236.96 NZD

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Top End Rebuild Kit (B) KTM 144/150 SX '07-'15

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Top End Rebuild Kit (B) KTM 144/150 SX '07-'15

Regular price $278.54 NZD

Regular price Sale price $278.54 NZD

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Top End Rebuild Kit (1.00 OS) Yamaha YFM660 '02-'04

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Top End Rebuild Kit (1.00 OS) Yamaha YFM660 '02-'04

Regular price $359.64 NZD

Regular price Sale price $359.64 NZD

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Top End Rebuild Kit (A Pro) Yamaha WR250F '01-'13

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Top End Rebuild Kit (A Pro) Yamaha WR250F '01-'13

Regular price $403.99 NZD

Regular price Sale price $403.99 NZD

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Top End Rebuild Kit (A) Honda CRF250R '06-'07

Top End Rebuild Kit (A) Honda CRF250R '06-'07

Regular price $357.56 NZD

Regular price Sale price $357.56 NZD
Top End Rebuild Kit (B) Yamaha YZ125 2001 (Bearing Not Included)

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Top End Rebuild Kit (B) Yamaha YZ125 2001 (Bearing Not Included)

Regular price $182.87 NZD

Regular price Sale price $182.87 NZD

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Top End Rebuild Kit (B) Kawasaki KDX220 '97-'05 (Bearing not included)

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Top End Rebuild Kit (B) Kawasaki KDX220 '97-'05 (Bearing not included)

Regular price $221.86 NZD

Regular price Sale price $221.86 NZD

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Vertex Top End Rebuild Kit - Forged Piston (A)

Vertex Top End Rebuild Kit - Forged Piston (A)

Regular price $500.00 NZD

Regular price Sale price $500.00 NZD
Top End Rebuild Kit (B) Yamaha YZ426F '00-'02

Top End Rebuild Kit (B) Yamaha YZ426F '00-'02

Regular price $389.44 NZD

Regular price Sale price $389.44 NZD
Top End Rebuild Kit (B) KTM 125 EXC '02-'06

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

Regular price $223.74 NZD

Regular price Sale price $223.74 NZD

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

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

Regular price $398.45 NZD

Regular price Sale price $398.45 NZD
Top End Rebuild Kit (A PRO) Honda CRF450R '05-'06

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

Regular price $306.49 NZD

Regular price Sale price $306.49 NZD

Sold out
Top End Rebuild Kit (B) Yamaha YZ450F '06-'09

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

Regular price $394.29 NZD

Regular price Sale price $394.29 NZD

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Top End Rebuild Kit (B) Kawasaki KX250F '11-'14

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Top End Rebuild Kit (B) Kawasaki KX250F '11-'14

Regular price $369.34 NZD

Regular price Sale price $369.34 NZD

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