CYLINDER WORKS cylinder kit for KTM EXC-F 250, SX-F 250, XC-F 250 and HUSQVARNA FC 250 from 2016 to 2021

CYLINDER WORKS offers this cylinder kit for KTM EXC-F 250, SX-F 250, XC-F 250 and HUSQVARNA FC 250 from 2016 to 2021. The cylinder kit groups a cylinder and the parts to fit it (piston, rings, gaskets depending on the kit: see contents). “Big bore” kits increase the bore and therefore the displacement: the engine gains torque and power.

Why buy a cylinder kit?

The benefits:

• A cylinder and its matched piston: perfect fitting clearance.
• One order to rebuild the top end.
• Big bore versions give more torque and power (check the rules if you race).

Why choose CYLINDER WORKS?

Cylinder Works supplies brand-new, not remanufactured, cylinders with a nickel-silicon-carbide coating; its kits come with a matched forged Vertex piston.

When should you replace the cylinder?

Harder starting, loss of power, blue smoke, oil consumption or a knock when cold: these are the signs of a tired top end.

Recommended hours for a top-end rebuild (manufacturer recommendation for the KTM SX-F, Husqvarna FC 2016-2022):

• Racing: every 50 h.
• Leisure: no KTM figure; Cross-Mania guideline: compression check at around 100 h.
• KTM EXC-F, Husqvarna FE 2017-2023: racing: every 70 h.

Specifications and fitting tips

• Oversize: Standard
• Displacement: 250 cm³
• Cylinder bore: 78.00 mm
• Bore coating: Nickel silicon carbide
• Style: Standard
• Ready-to-install cylinders, bolt-on fitment with no replating, look virtually identical to stock cylinders

Cross-Mania tip: Check the diameter of the supplied or required piston and replace the top-end gaskets. A big bore may require carburation or fuel-injection adjustment.

Also needed with this part

• Top-end gasket kit : MOOSE · ITALKIT
• Spark plug : NGK 2305 · NGK 93188
• 4-stroke engine oil : MOTUL 10W50 · LIQUI MOLY 10W40 1 L

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
HUSQVARNA FC 250 2021
HUSQVARNA FC 250 2020
HUSQVARNA FC 250 2019
HUSQVARNA FC 250 2018
HUSQVARNA FC 250 2017
HUSQVARNA FC 250 2016
KTM EXC-F 250 2018
KTM EXC-F 250 2017
KTM EXC-F 250 2016
KTM SX-F 250 2020
KTM SX-F 250 2019
KTM SX-F 250 2018
KTM SX-F 250 2017
KTM SX-F 250 2016
KTM XC-F 250 2017
KTM XC-F 250 2016
KTM XC-F 250 I 2020
KTM XC-F 250 I 2019
KTM XC-F 250 I 2018