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Shop the Engine category for Cylinders & Kits parts available trade-only from ORO2U. With trusted brands, competitive pricing, and fast UK delivery. Use vehicle filter to search by make, year, model, and CC for an exact fit, and contact our team for expert help with fitment or sizing.
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CYLINDER KIT 52mm GY6 125cc 4T KCYLGY6125 53-1008Retail Price £39.62 £33.02 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT +4.00mm BIG BORE 82.00mm HONDA 2004 - 2015 CRF R X 250 ATHENA P400210100009 56-K100.82.K_ARetail Price £674.14 £561.78 Trade Only: Please login or Click here to find a dealer
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CYLINDER ONLY STD 96.00mm HONDA 2002 - 2016 CRF R X 450 PSYCHIC MX-09158 CX-10001 12100-MEB-670 12100-MEN-671 56-K101.096.CRetail Price £262.75 £218.96 Trade Only: Please login or Click here to find a dealer
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CYLINDER KIT STD 96.00mm HONDA 2002 - 2010 CRF 450 R X ATHENA EC210-002 56-K101.096.CGARetail Price £362.26 £301.88 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT STD 96.00mm HONDA 2002 - 2010 CRF R F 450 ATHENA P400210100002 56-K101.096.CKARetail Price £540.14 £450.12 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT STD 96.00mm HONDA 2002 - 2016 CRF R X 450 PSYCHIC MX-09149K 56-K101.096.CKPRetail Price £359.94 £299.95 Trade Only: Please login or Click here to find a dealerOut of stock
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CYLINDER ONLY STD 96.00mm HONDA 2002 - 2008 CRF 450 R CYLINDER WORKS 10002 56-K101.096.CWRetail Price £345.83 £288.19 Trade Only: Please login or Click here to find a dealer
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CYLINDER ONLY +4.00mm BIG BORE 100.00mm HONDA 02-08 CRF 450 R X PSYCHIC MX-09158-1 CX-10001-BB4 56-K101.100.CRetail Price £186.13 £155.11 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT 100MM HONDA CRF 450 02-08, ATHENA P400210100001 490CC BIG BORE, (piston included) 56-K101.100.KITRetail Price £695.62 £579.68 Trade Only: Please login or Click here to find a dealer
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CYLINDER KIT 77MM YAMAHA WR/YZ 250 01-13, ATHENA EC485-011 STD BORE, (piston not included) 56-K103.77.CGARetail Price £362.26 £301.88 Trade Only: Please login or Click here to find a dealer
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CYLINDER ONLY 77.00mm YAMAHA YZF WRF 250 01-13 PSYCHIC MX-09150-2 5UL-11311-00-00 56-K103.77.CYLRetail Price £197.98 £164.98 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT 77MM YAMAHA YZ 250 01-07, ATHENA P400485100011 STD BORE, (piston included) 56-K103.77.K.A1Retail Price £540.14 £450.12 Trade Only: Please login or Click here to find a dealer
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CYLINDER KIT 77mm YAMAHA 05-13 YZF 250 MX-09150-2K NAMURA PISTON 56-K103.77.KIT2Retail Price £380.35 £316.96 Trade Only: Please login or Click here to find a dealer
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GASKET TOP KIT YZF250 270cc, 80mm CYLINDER WORKS 21002-G01 56-K103.80.GKWRetail Price £80.65 £67.21 Trade Only: Please login or Click here to find a dealer
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CYLINDER KIT YZF250 01-13, WORKS CYLINDER WORKS 21002-K01, 80mm 270cc WRF250 2001-2013 56-K103.80.CKWRetail Price £718.60 £598.83 Trade Only: Please login or Click here to find a dealer
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CYLINDER ONLY 83.00mm YAMAHA 01-13 YZF WRF 250 PSYCHIC MX-09150 CX-40004-BB6 56-K103.83.CYLRetail Price £172.62 £143.85 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT 83MM YAMAHA YZ 250 01-07, ATHENA P400485100012 290CC BIG BORE, (piston Included) 56-K103.83.K.A1Retail Price £674.14 £561.78 Trade Only: Please login or Click here to find a dealer
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CYLINDER FULL KIT 83MM YAMAHA YZ 250 08-13, ATHENA P400485100026 290CC BIG BORE, (piston included) 56-K103.83.K.A2Retail Price £674.14 £561.78 Trade Only: Please login or Click here to find a dealer
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CYLINDER KIT 83.00mm YAMAHA 01-04 YZF250 56-K103.83.KITRetail Price £379.16 £315.97 Trade Only: Please login or Click here to find a dealer
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CYLINDER KIT 77MM KAW KX 250/SUZ RM 250 04-08, ATHENA EC510-003 STD BORE, (piston not included) 56-K104.77.CGARetail Price £362.26 £301.88 Trade Only: Please login or Click here to find a dealer