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Athena Works Cylinder Kit - YZ125
Includes an aluminum cylinder with a nickel-carbide coating than ported to factory works specs! The aluminum cylinder head has a removable bronze dome allowing for higher compression and detonation features. Specially designed, high performance, hard anodized power valves are also included (cannot use stock) and cast lite flat top piston kit. Athena than tops off the kit with a top end gasket kit and all required seals with easy to follow instructions. 
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$579.95
moto-man.com
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Top stores
moto-man.com
$579.95
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Athena Stock Bore Cylinder Kits Factory Cylinder Kit Standard Bore
Kits include aluminum cylinder with nickel-carbide coating designed with larger water jacketsForged piston black graphite or clear tin coating includes rings, clips and pinAthena top-end gasket set includes required seals and hardwareEasy-to-follow step-by-step installation instructionsMost are bolt-on no machining required except where noted. Fits the following models: Yamaha YZ125. Years: 2004,2003,2002,2001,2000,1999, 1998,1997.
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$575.00
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Top stores
oemcycle.com
$575.00
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YAMAHA YZ125 ATHENA CYLINDER KIT 54MM 97-04
* “Race” cylinder kits include a nickel carbide coated cylinder ported to Factory. * “Factory” cylinder kits include all parts in the “Race” kits plus an aluminum cylinder.
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$629.99
jazzmotorsports.com
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Top stores
jazzmotorsports.com
$629.99
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YAMAHA YZ125 ATHENA CYLINDER KIT 54MM 01-04
* “Race” cylinder kits include a nickel carbide coated cylinder ported to Factory. * “Factory” cylinder kits include all parts in the “Race” kits plus an aluminum cylinder.
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$549.99
jazzmotorsports.com
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Top stores
jazzmotorsports.com
$549.99
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CYLINDER KIT YZ125 54MM
2-stroke pistons are made from 4032 silicium. 4-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons. Both include 3% copper in materials for better heat resistance. All pistons are forged using a precision heat-treatment process that allows for production tolerances of just 0.01mm. Forged piston kits are available in A, B and C sizing. Forged piston tooling allows for the lightest available product. Kits include antiwear coated piston, rings, pin...
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$672.58
chrome-addiction.com
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Top stores
chrome-addiction.com
$672.58
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CYLINDER KIT YZ125 58MM
2-stroke pistons are made from 4032 silicium. 4-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons. Both include 3% copper in materials for better heat resistance. All pistons are forged using a precision heat-treatment process that allows for production tolerances of just 0.01mm. Forged piston kits are available in A, B and C sizing. Forged piston tooling allows for the lightest available product. Kits include antiwear coated piston, rings, pin...
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$740.18
chrome-addiction.com
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Top stores
chrome-addiction.com
$740.18
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Athena Cyl Kit Factory Yz125
“race” cylinder kits include a nickel carbide coated cylinder ported to factory “works” specs., special hard anodized exhaust valves, complete piston kit and a top end gasket set. “factory” cylinder kits include all parts in the “race” kits plus an aluminum cylinder head with removable brass dome allowing for higher compression and anti-detonating features.
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$691.95
tboltusa.com
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Top stores
tboltusa.com
$691.95
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2006 YAMAHA YZ125
06 YZ125 with black excel rims; blue renthal sprocket; pro-circuit pipe and exhaust; new top end; new Dunlop mx 51 and back tire; blue asv clutch lever; custom factory effects graphics; DID chain; new fork seals; engine needs to mounted on frame;
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$1,000.00
autohopper.com
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Top stores
autohopper.com
$1,000.00
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YAMAHA YZ125 ATHENA CYLINDER KIT 54MM STANDARD BORE 05-07
YAMAHA YZ125 ATHENA CYLINDER KIT 54MM STANDARD BORE 05-07
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$679.99
jazzmotorsports.com
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Top stores
jazzmotorsports.com
$679.99
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Athena Cyl Kit Race Yz125
“race” cylinder kits include a nickel carbide coated cylinder ported to factory “works” specs., special hard anodized exhaust valves, complete piston kit and a top end gasket set. “factory” cylinder kits include all parts in the “race” kits plus an aluminum cylinder head with removable brass dome allowing for higher compression and anti-detonating features.
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$619.95
tboltusa.com
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Top stores
tboltusa.com
$619.95
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Athena Cyl Head Dome Yz125
“race” cylinder kits include a nickel carbide coated cylinder ported to factory “works” specs., special hard anodized exhaust valves, complete piston kit and a top end gasket set. “factory” cylinder kits include all parts in the “race” kits plus an aluminum cylinder head with removable brass dome allowing for higher compression and anti-detonating features.
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$57.95
tboltusa.com
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Top stores
tboltusa.com
$57.95
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JD Jetting Yamaha Jet Kit - YZ125 (95-98)
Exceeds the performance of the popular EMN, DTM, and other standard factory needle options. Low and High altitude custom designed triple taper needles. Main Jets included. Spare Needle Clip. Dyno Tested. Developed and tested from sea level to 12000ft elevation. You cant buy this from any OEM factory or aftermarket. Its JDs prescription for the headpipe blues.
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$79.95
motocrossgiant.com
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Top stores
motocrossgiant.com
$79.95
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