
Motorcycle Engine Rebuilds Cranbourne
Top-end work, bottom-end work or a full engine rebuild — every job receives the attention to detail it deserves. Internal engine work is what separates a careful workshop from a careless one. I take it seriously.
Included in this service
- ▸ Complete engine rebuilds
- ▸ Top-end rebuilds (head, pistons, valves)
- ▸ Bottom-end rebuilds (crank, cases, gearbox)
- ▸ Crankshaft inspection & repairs
- ▸ Bearing replacement
- ▸ Internal engine inspections
- ▸ Gasket & seal replacement
- ▸ Tuning & break-in support
South East Melbourne
Based in Cranbourne — looking after motorcycle riders from across the wider region:
Motorcycle engine rebuilds, done right
An engine rebuild isn't a job to rush. Every clearance has to be measured, every surface has to be clean, every bolt has to be torqued correctly. At Priesty's Motorcycle Garage in Cranbourne I approach every engine the same way: strip carefully, inspect thoroughly, replace what's required, and rebuild to spec.
I rebuild engines for riders across Cranbourne, Clyde, Berwick, Narre Warren, Pakenham, Frankston and the wider south-east Melbourne region — road, dirt, adventure and sportbikes all welcome.
Top-end rebuilds
Top-end work covers everything above the cases — pistons, rings, cylinder bore inspection or replacement, valve and valve seat work, valve guide replacement, head gasket and cam chain or timing components. Top-ends are often the first thing to wear, especially on high-revving sportbikes and hard-working dirt bikes.
When I open a top end I measure cylinder bore taper and out-of-round, check piston-to-wall clearance, inspect ring end gaps, check valve clearances against spec and inspect cam lobes and journals for wear. You get a clear report and a quote for any additional work before I go any further.
Bottom-end rebuilds & crankshafts
Bottom-end work is bigger again — splitting the cases, inspecting the crankshaft, replacing main and rod bearings, inspecting transmission gears and shift forks, replacing seals and bearings throughout. I rebuild gearboxes, fix bent shift forks, replace worn dog faces and bring tired bottom ends back to life.
Crankshafts are checked for runout, end-float and journal wear. Where required I can arrange specialist crankshaft rebuilds with new big-end and main bearings.
Complete rebuilds & restoration support
Frame-up restorations and complete engine rebuilds for project bikes are welcome. Whether you're bringing a tired classic back to life or building a track-only weapon, every internal job is documented with photos and clearances so you know exactly what's been done.






Common questions
How much does a motorcycle engine rebuild cost?+
It depends entirely on the engine, what's worn and what level of rebuild is required. I strip and inspect first, then provide a detailed quote before any work commences.
How long does a top-end rebuild take?+
Typically 1–2 weeks once parts are on hand. Bottom-ends and complete rebuilds usually take longer — I'll give you a realistic timeline at the quote stage.
Do you use OEM or aftermarket parts?+
Both — I'll discuss the trade-offs for your specific engine and use case. For high-performance and race builds I often recommend specific aftermarket components.
Can you rebuild older / classic motorcycle engines?+
Yes — older Japanese, British and European engines are welcome. Parts sourcing can sometimes take longer but I'll let you know up front.
Do you offer break-in / running-in advice?+
Yes — I'll provide clear running-in instructions to suit your specific engine and rebuild.
Service enquiry
Send me a quick message and I'll get back to you with a quote or booking time. After hours and weekend appointments are available.
