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Engine CamShaft Bearing – Hyosung GT125 GV125 GT250 GV250

Estimated delivery dates: Aug 31, 2026 - Sep 2, 2026

£19.99

💎 CAMSHAFT BEARING // GT/GV125 & GT/GV250 V-TWIN UPGRADE

Silence engine rattle and restore reliability. This precision-engineered bearing is vital for smooth valve train operation in your 125cc or 250cc V-twin, acting as an essential foundation for any proper engine rebuild on everyday roads.

  • Utility // Replaces worn journals that cause audible cylinder head clatter and potential valvetrain damage over time.
  • Aftermarket // Direct-fit replacement built to original dimensions to function reliably on either the intake or exhaust cams.
  • Fitment // Specifically engineered for classic 125cc and 250cc v-twin cylinder head tolerances.
  • Hardware // Package contains one individual bearing piece. Please select a quantity of 2x or 4x for a complete head refresh.
⚠️ FITMENT NOTE: Internal top-end restoration work requires specialized mechanical understanding. Slipping or incorrectly driving internal components home will lead to severe mechanical damage.
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Description

When undertaking comprehensive internal cylinder head work on your machine, small components demand the highest attention. Worn-out camshaft journals produce a distinct, metallic valvetrain clatter and drop efficiency by introducing excess lateral play across your valve arrangement. This item isn’t a quick bolt-on addition, but a vital component for absolute peace of mind. By renewing high-load areas with our quality, OEM-spec bearings, you are investing directly in long-term engine reliability and avoiding expensive future tracking errors on everyday roads.

💎 INTERNAL VALVETRAIN SPECIFICATIONS

Precision TolerancesRestores highly accurate clearances within the upper cylinder head casting. Wear PreventionProactively upgrades high-mileage rollers before friction marks the journals.
V-Twin Matching ProfileIdentical sizing enables deployment on either front or rear cylinder shafts. Factory DimensionsPrecisely replicates internal manufacturing specifications for a true drop-in replacement.

📜 Confirmed Fitment Guide

Small Capacity V-Twin Group: Verified drop-in suitability across the classic generation engine platforms specified below.

  • GT Naked & Sport: GT125, GT125R, GT125RC, GT250, and GT250R variants produced from 2003 to 2021.
  • GV Aquila Cruiser: Traditional carburetor-fed and early injection GV125C and GV250 models built between 2002 and 2017.
❌ WILL NOT FIT THESE MOTORCYCLES:

  • 650cc Motor Variants: GT650, GT650R, or GV650 lines use enlarged head designs and heavy-duty alternative bearing setups.
  • Modern EFI Generations:Reworked post-2019 versions including the GV125S Aquila Bobber, GV300S, and GV250DRA utilize modified internal layouts.
💡 REBUILD SUGGESTION: If you are completely stripping your cylinder assemblies to swap the camshaft supports, we highly recommend checking the internal link strands for excessive slack. A loose 125cc linkage chain is the most frequent culprit behind persistent top-end rattles. View 125cc Cam Chains here.

🔧 Install Tips

  • Assembly Lubrication: Thoroughly coat the bearing track and your camshaft mating journals with high-quality assembly lube during rebuild. This essential layer provides vital startup protection before oil pump pressure fills the head.
  • Press Method: Always utilize a dedicated workshop press tool or an accurate mandrel sleeve to push the new component straight into position. Never strike the inner or outer shells directly with a traditional steel hammer, as this causes microscopic race distortion.
  • Manufacturer Reference Cross-Match: Direct physical substitute for original production factory record number 09262-17019.
📧 SOLVING A TOP-END CYLINDER HEAD RATTLE? Not certain if your specific engine year runs this exact specification journal size? Email us for direct support or to swap complex timing project logs with your club peers, head straight to the forums.

Additional information

Weight 0.9 kg
Dimensions 10 × 10 × 2 cm

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