Welcome to the Scooter Vista range of Vespa PX, PE & T5 Crankshaft and Clutch Parts, covering replacement, service and performance components for classic large-frame Vespa engines.

Whether you're rebuilding your Vespa engine, replacing a worn crankshaft, servicing the clutch or upgrading the engine for improved performance, we stock a wide range of Vespa crankshafts, clutch parts, clutch plates, clutch kits, springs, clutch components and related engine parts.

Our range covers popular large-frame models including Vespa PX, PE and T5, with components suitable for standard engines, touring engines and performance builds.

We stock products from specialist manufacturers and suppliers including Piaggio, BGM, Scootopia, SIP Scooter Shop, MEC EUR, Pinasco, AF Rayspeed and other established Vespa parts manufacturers.

Always check the exact engine specification before ordering, as crankshafts and clutch components can vary between Vespa models, engine capacities and transmission configurations.

Vespa PX, PE & T5 Crankshafts

The crankshaft is one of the most important components inside your Vespa engine.

It converts the reciprocating movement of the piston into rotational movement, transferring power through the clutch and gearbox to the rear wheel.

A worn or damaged crankshaft can result in:

• Excessive engine vibration
• Poor running
• Bearing wear
• Air leaks
• Difficult starting
• Reduced engine performance
• Abnormal engine noise
• Serious engine damage if failure occurs

If you're rebuilding an engine, carefully inspect the crankshaft before deciding whether it can be reused.

Check the condition of the main bearing surfaces, big-end bearing, crank webs, taper and threads, as well as checking for excessive play or signs of previous damage.

Vespa PX Crankshafts

We stock crankshafts for a range of Vespa PX applications, including components for different engine capacities and standard or performance engine builds.

When choosing a replacement PX crankshaft, check:

• Engine capacity
• Engine model
• Stroke
• Crankshaft diameter
• Bearing specifications
• Flywheel taper
• Clutch-side configuration
• Intended engine use
• Cylinder compatibility

A crankshaft designed for one engine configuration should not automatically be assumed to fit another.

This is particularly important when building a performance engine where stroke, cylinder port timing and crankshaft specifications can all affect the final engine characteristics.

Vespa PE Crankshafts

The Vespa PE shares many components with the PX, but compatibility should always be checked before ordering.

We stock crankshaft components suitable for various Vespa PE engine applications, depending on the exact engine specification.

Before ordering, check the engine number and compare the existing crankshaft with the manufacturer's specifications.

Vespa T5 Crankshafts

The Vespa T5 uses a number of engine-specific components, so it is particularly important to check compatibility.

If you're rebuilding a T5 engine, make sure the crankshaft is specifically suitable for your engine configuration.

Check the:

• Stroke
• Bearing arrangement
• Crankshaft taper
• Flywheel compatibility
• Cylinder specification
• Engine capacity

Using the correct crankshaft is essential to ensure that the engine components work together correctly.

Standard & Performance Vespa Crankshafts

The correct crankshaft depends on the type of engine you're building.

A standard replacement crankshaft can be ideal for restoring an original or mildly tuned engine.

For performance engines, a crankshaft may be selected based on:

• Stroke
• Rod length
• Cylinder kit
• Port timing
• Carburettor
• Exhaust
• Intended RPM
• Engine capacity

Performance crankshafts can be an important part of a complete engine build, but they should always be selected as part of the overall engine specification.

Vespa Clutch Parts

The clutch allows the rider to disconnect the engine from the gearbox so that the scooter can start, stop and change gear without transferring full engine power through the transmission.

Scooter Vista stocks a wide range of Vespa clutch components for PX, PE and T5 applications.

Depending on the product and model, our range includes:

• Complete clutch assemblies
• Clutch plates
• Clutch corks
• Clutch steel plates
• Clutch springs
• Clutch pressure plates
• Clutch components
• Clutch nuts
• Clutch washers
• Woodruff keys
• Clutch operating components
• Clutch service parts

Always check the clutch specification before ordering, particularly when working with a standard or performance engine.

Vespa PX Clutch Kits

A complete Vespa PX clutch kit can be a convenient way of replacing multiple worn clutch components at the same time.

Depending on the kit, this may include:

• Friction plates
• Steel plates
• Clutch springs
• Clutch components
• Other fitting components

The exact contents vary, so always check the individual product description.

If the clutch basket, hub or other major components are worn, replacing only the friction plates may not completely solve the problem.

Vespa PX Clutch Plates

Clutch plates are subjected to significant heat and friction during normal operation.

Worn or contaminated plates can cause:

• Clutch slipping
• Difficulty selecting gears
• Clutch drag
• Poor engagement
• Judder
• Difficult gear changes

When replacing clutch plates, inspect the steel plates and clutch components at the same time.

If the steel plates are warped, heavily worn or discoloured from excessive heat, they may also need replacing.

Vespa Clutch Corks & Friction Plates

The friction material used in the clutch determines how effectively the engine's power is transferred through the transmission.

We stock replacement clutch friction components and performance clutch options for suitable Vespa applications.

Different friction materials are available for different types of use.

A standard road engine may require a different clutch setup from a high-performance engine producing substantially more torque.

When upgrading an engine, make sure the clutch is capable of handling the additional power.

Vespa Performance Clutches

Performance engines often require more from the clutch than a standard engine.

If you've fitted a larger cylinder, performance exhaust or other engine modifications, the clutch may need to be upgraded accordingly.

Depending on the engine specification, this may involve:

• Stronger clutch springs
• Improved friction plates
• Performance clutch plates
• Reinforced clutch components
• Complete performance clutch assemblies

The aim is to provide sufficient clamping force and friction to transfer engine power without slipping, while still allowing the clutch to operate smoothly.

Vespa PX Clutch Problems

Clutch problems are common on older Vespa scooters, but the symptoms can help identify the likely cause.

Clutch slipping

If the engine revs rise without a corresponding increase in road speed, the clutch may be slipping.

Possible causes include:

• Worn friction plates
• Weak clutch springs
• Incorrect clutch adjustment
• Contaminated clutch plates
• Excessive engine power
• Incorrect clutch assembly

Clutch dragging

If the scooter tries to move forward with the clutch lever fully pulled in, the clutch may be dragging.

Possible causes include:

• Incorrect cable adjustment
• Clutch plates sticking together
• Warped steel plates
• Incorrect clutch assembly
• Clutch components requiring service

Difficult gear changes

A clutch that isn't fully disengaging can make selecting gears difficult.

Before dismantling the engine, check the clutch cable adjustment and operation.

Vespa Clutch Springs

Clutch springs control the pressure applied to the clutch plates.

Stronger springs can increase the clutch's ability to handle additional engine torque, but they can also increase the effort required at the clutch lever.

For a performance engine, the correct spring rate should be chosen based on the engine's power and the clutch components being used.

Simply fitting the strongest springs available isn't always the best solution for a road-going scooter.

A well-matched clutch should provide:

• Reliable power transfer
• Good engagement
• Manageable lever effort
• Smooth operation
• Resistance to slipping

Vespa Clutch Nut, Washer & Woodruff Key

The clutch is securely mounted to the crankshaft using the appropriate retaining hardware.

Scooter Vista stocks components including clutch nuts, washers and Woodruff keys for suitable Vespa applications.

These small components are easy to overlook during an engine rebuild, but they are essential to correct assembly.

Always use the correct specification components and ensure the clutch is securely installed according to the manufacturer's instructions.

Vespa Crankshaft & Clutch Engine Rebuild

If you're carrying out a complete engine rebuild, the crankshaft and clutch should be considered together with the rest of the engine.

Before assembly, inspect:

• Crankshaft
• Main bearings
• Big-end bearing
• Oil seals
• Clutch
• Clutch plates
• Clutch springs
• Clutch basket
• Clutch nut
• Woodruff keys
• Gearbox components
• Cylinder and piston

Replacing worn components while the engine is apart can save considerable time compared with having to remove the engine again later.

Choosing the Correct Vespa Crankshaft

Before ordering a crankshaft, check:

Vespa model
Engine capacity
Engine number
Stroke
Flywheel taper
Bearing specification
Clutch-side configuration
Cylinder kit
Intended engine use

For performance engines, also consider how the crankshaft works with the cylinder's port timings and the desired characteristics of the finished engine.

Choosing the Correct Vespa Clutch

When selecting a clutch or clutch kit, consider:

Engine specification

A standard 125cc engine will place different demands on the clutch compared with a tuned 200cc engine.

Power and torque

Higher-output engines may require stronger clutch springs or upgraded friction components.

Riding style

A touring scooter may benefit from a smooth, easy-to-use clutch, while a performance engine may require a higher-capacity clutch setup.

Existing clutch components

If the clutch basket or other components are worn, replacing only the friction plates may not be sufficient.

Genuine Piaggio & Specialist Vespa Clutch Parts

At Scooter Vista, we stock a mixture of genuine Piaggio, quality replacement and performance clutch and crankshaft components.

Our range includes specialist manufacturers and suppliers such as Piaggio, BGM, Scootopia, SIP Scooter Shop, MEC EUR, Pinasco and AF Rayspeed.

Where applicable, individual product descriptions provide information about:

• Model compatibility
• Engine capacity
• Manufacturer
• Dimensions
• Clutch specification
• Crankshaft stroke
• Original part numbers
• Intended application

This makes it easier to choose the correct component for your particular engine.

Need Help Finding the Correct Vespa Crank or Clutch Part?

Classic Vespa engines can use similar-looking components across different models, but specifications can vary significantly.

Before ordering, check your:

• Vespa model
• Engine capacity
• Engine number
• Crankshaft specification
• Clutch type
• Existing clutch components
• Original part number where available

If you're unsure which crankshaft, clutch kit or clutch component you need, check the individual product description or contact Scooter Vista for assistance.

Scooter Vista – Vespa & Lambretta Parts Specialists

Scooter Vista specialises in classic Vespa and Lambretta parts, supplying components for restoration, servicing, engine rebuilding and performance upgrades.

From a replacement crankshaft or clutch plate to a complete performance clutch assembly, our range of Vespa PX, PE & T5 Crank & Clutch Parts is designed to help keep your classic Vespa running reliably.

Browse the products below to find the correct Vespa crankshaft, clutch, clutch plates, springs and related engine components for your scooter.