Top End Rebuild Kit

310cc Engine Cylinder Jug Piston Top End Kit 79mm For Honda CRF250F 2019-2025

$489.99

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  • Free tracked delivery on orders over $99
  • Orders typically arrive within 7 to 14 business days
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  • Not sure it fits your bike? Email us your make, model and year and we'll check before you buy — free, usually within one business day.
Product details

The wrong part stalls the whole job. Check the details below against your bike before you order: if a spec isn't listed, we don't have it on record, and we'd rather you ask than guess.

Labwork top end rebuild kit for Honda CRF250F, 2019 to 2025. Cross-check part number 12100-K31-900 against the one you're replacing.

Part type Top End Rebuild Kit
Fits Honda CRF250F, 2019 to 2025
Part number 12100-K31-900
Condition new
  • 79mm Cylinder Piston Gasket Top End Rebuild Kit 310cc For Honda CRF 250F 2019-2025 Fitment: Fit for Honda CB250 (New) Twister / ABS / CBS 2016-2022 Fit for Honda CRF250F 2019-2025 (Please note this is for the F model crf250 not the R model)
  • Description: Replacement
  • Cylinder: 12100-K31-900 Cylinder Base
  • Gasket: 12191-K31-900 Cylinder Head
  • Gasket: 12251-K31-901 Pin,
  • Piston: 13111-K31-900 Circlips, piston (2): 13112-KPF-960 Chain Tensioner
  • Gasket: 14560-KRM-840

Not sure it fits? Send us your make, model and year before you order and we'll check this part against your bike. Endo Supply is a Kiwi-owned business based in Christchurch. If a part ever arrives faulty or not as described, a real person sorts it, backed by your Consumer Guarantees Act rights and our refund policy.