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PetrolScooter Pit Dirt Bike Gasket Set: Complete top-end kit for 110cc and 125cc bikes

110cc 125cc Pit Dirt Bike Gasket Set Top End 52.4mm Head Base Round Oil Hole
110cc 125cc Pit Dirt Bike Gasket Set Top End 52.4mm Head Base Round Oil Hole
4.6
[Complete Gasket Kit]  Contains all gaskets needed for piston or ring set replacements.
[Exhaust Gasket Included]  Includes exhaust gasket for a full seal during engine rebuilds.
[54mm Fitment Reminder]  Some 125cc models use a 54mm set; verify bore size before ordering.
[Head Gasket Note]  Certain cylinder head gaskets may not require replacement; inspect before changing.
[Ensures Proper Sealing]  Full gasket coverage minimizes leaks and ensures reliable engine performance post-service.
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Automotive replacement parts for small bikes, supplying a full set of top-end gaskets needed for engine overhaul. Have a look at PetrolScooter Pit Dirt Bike Gasket Set for a ready collection that covers piston and ring work. Will the kit match a specific 125cc bore and your repair requirements?

⚡ At a Glance
  • Sealing Integrity: All necessary gaskets included to restore sealing at head, base and exhaust junctions
  • Best for: Home mechanics and small workshop technicians performing top-end rebuilds on pit bikes
  • Not ideal for: Engines with non-standard bore sizes or customised cylinder heads without matching gaskets

Complete top-end gasket set supplied to enable piston set or ring change. Includes an exhaust gasket and specifies a 52.4mm head base round oil hole, so measurement of bore size is essential.


Fast top-end rebuilds – with a complete gasket set for piston and ring changes

Contains all gaskets required to enable a piston set or ring change, with parts aimed at head, base and exhaust sealing. Exhaust gasket included to address a common leak point during cylinder work.

Mechanics and keen home technicians can complete a top-end overhaul without sourcing multiple individual seals, reducing parts delays and simplifying the job.

Accurate fit for 52.4mm bores – thanks to the specified head base dimension

Head base is described as 52.4mm with a round oil hole, which determines which gaskets will sit correctly against the cylinder and crankcase mating faces. Some 125cc engines use a 54mm set, so checking bore diameter before fitting is advised.

Matching gasket dimensions to the cylinder bore reduces the risk of oil or combustion leaks and helps ensure a reliable seal after reassembly.

Restored exhaust sealing – with an included exhaust gasket

Exhaust gasket is part of the kit to seal the manifold-to-cylinder joint, addressing a frequent source of fumes and noise following cylinder work. A correctly sized exhaust gasket protects flange faces and compensates for small surface imperfections.

Including the exhaust gasket means one less item to source during a top-end repair, helping to restore exhaust integrity as part of the same service.

✨ The 4 Key Reasons for PetrolScooter Pit Dirt Bike Gasket Set
  1. Complete top-end gasket kit - Enables full piston or ring overhaul without missing seals
  2. Exhaust gasket included - Ensures proper exhaust sealing when replacing cylinder parts
  3. Suitable for 110cc and 125cc - Compatible with common small-capacity pit bike engines
  4. 52.4mm head base specification - Matches 52.4mm bores, check for 54mm variant compatibility
📋 Technical Details at a Glance
  • Category: Automotive Parts and Accessories
  • Brand: PetrolScooter
  • Product type: Pit Dirt Bike Gasket Set
  • Compatible engine sizes: 110cc, 125cc (check bore before fitting)
  • Head base bore: 52.4mm head base round oil hole
❓ Frequently Asked Questions

Q: What does the kit include?

A: Includes all gaskets necessary to enable a piston set or ring change, and an exhaust gasket is supplied as part of the set.

Q: Will this fit my 125cc engine?

A: Fits 125cc engines with a 52.4mm head base bore; some 125cc engines have a 54mm set, so measure the cylinder bore before fitting.

Q: Are all head gaskets always required to be changed?

A: Some of the cylinder head gaskets listed may not need to be changed, depending on condition; inspect gaskets before deciding which ones to replace.

🏆 Our Verdict

The PetrolScooter Pit Dirt Bike Gasket Set is suitable for home mechanics and small workshops tackling top-end rebuilds on 110cc and compatible 125cc pit bikes. The kit's breadth, including an exhaust gasket and a 52.4mm head-base specification, reduces the need to hunt for missing seals. While buyers should verify bore size before purchase, the comprehensive coverage delivers practical long-term value for routine top-end maintenance.