PJME - Motorcycle Engineers , 2 stroke engine specialist aprilia cagiva
homeAbout UsShipping & ReturnsContact UsNewsForumlogin twitterfacebook
You Are Here: Online Parts Store > Road Bike Parts > Aprilia Parts > Aprilia RS4 50 Motorcycle Parts  > Aprilia RS4 50 Engine Parts Top End
online store

Cylinder Re-Sleeving
Cylinder Re-Coating
Cylinder Re-Boring
Crankshaft Rebuilding
Thread Repairs
Engine Rebuilding
Job Packing

Suzuki RGV250 Centre Crank Seal
Suzuki RGV250 Centre Crank Seal
34.99
41.99
find out more

Aprilia RS250 Centre Crank Bearing
Aprilia RS250 Centre Crank Bearing
24.99
29.99
find out more

Aprilia RS125 Moto RRT Tail Tidy 2006-2014
Aprilia RS125 Moto RRT Tail Tidy 2006-2014
46.80
56.16
find out more

Kawasaki KX250 Koyo Crankshaft Main Bearings 1987-2002
Kawasaki KX250 Koyo Crankshaft Main Bearings 1987-2002
27.80
33.36
find out more

Aprilia RS125 Neutral light sensor
Aprilia RS125 Neutral light sensor
31.55
37.86
find out more

 

Aprilia RS4 50 Engine Parts Top End



Aprilia RS4 50 Piston Kit

Aprilia RS4 50 Piston Kit

Aprilia RS4 50 Piston Kit Std Replacement 50cc Piston Kit

Rings, G-Pin And C-Clips

Replaces Aprilia Part Number 8770700001
Price: 35.00 (42.00 Including VAT at 20%)


Quantity:  




People who bought this item also bought:
1. Spark Plug HT Lead
2. Aprilia RS50-Derbi DB50BOTop End Gasket Set



Aprilia RS4 50 Top End Gasket Set Budget

Aprilia RS4 50 Top End Gasket Set Budget

Top End Gasket Kit To Fit The Aprilia RS4 50

You Get All The Gaskets To Rebuild The Top End Of Your Engine.

Budget Kit Made In Taiwan
Price: 7.50 (9.00 Including VAT at 20%)


Quantity:  




People who bought this item also bought:
1. Aprilia RS50-Derbi DB50BO Piston Kit
2. Spark Plug HT Lead



Aprilia RS4 50 Small End Bearing

Aprilia RS4 50 Small End Bearing

Qualty Small End Bearing For The Aprilia RS4 50

To Fit The Derbi / Piaggio DB50BO Engine As Fitted To The Aprilia RS4 50

Replaces Aprilia Part Number 847529
Price: 4.00 (4.80 Including VAT at 20%)



Quantity:  




People who bought this item also bought:
1. Aprilia RS50-Derbi DB50BO Ital Kit Big Bore Kit
2. NGK Spark Plug BR9ES
3. Rock Oil Chain Wax



Aprilia RS4 50 Cylinder Kit Piaggio Engine

Aprilia RS4 50 Cylinder Kit Piaggio Engine

This Is A Replacement Cylinder Kit For The Aprilia RS4 50

Whats In The Kit

Cylinder 50cc Made From Alloy With Nicasil Coating

Piston, Rings, G-Pin And 2 C-clips

Gaskets
Price: 101.25 (121.50 Including VAT at 20%)


Quantity:  






Aprilia RS4 50 Ital Kit Big Bore Kit

Aprilia RS4 50 Ital Kit Big Bore Kit

Italkit Big Bore Kit To Fit The Aprilia RS4 50 DB50BO Piaggio Motor.

This Is A Very Nice Big Bore Kit, Being 71.14cc It Is Very Well Suited To Fast Road Or Track Use. The Cylinder Is Made From Aluminium By Gilardoni And Has Their Super Tough Nikasil Coating, It Has 6 Big Transfer Ports For Best Performance With A Large Oval Un-Bridged Exhaust Port With 2 Auxiliary Ports

The Piston Is A 47.55mm Single Ring Type And Being Made By Vertex Makes This Kit Excellent Value For Money.

The Kit Comes With A 2 Piece Cylinder Head With Optimised Combustion Chamber Shape And Squish Area.

The Kit Includes

.Cylinder 47.60mm Bore 71.14cc

.Piston Kit 47.55mm

.Cylinder Head Part

.Top End Gasket Kit

.4 Longer Cylinder Studs

Please Note This Kit Does Not Come With A Small End Bearing, The Std Small End Bearing Needs To Be Used.

Please Note: Italkit offer no warranty with these parts as they are designed and manufactured for "competition use only" the entire risk as to the quality and performance is with the buyer.


Price: 161.00 (193.20 Including VAT at 20%)


Quantity:  




People who bought this item also bought:
1. Aprilia RS50-Derbi DB50BO Small End Bearing
2. NGK Spark Plug BR9ES



Aprilia RS4 50 Athena Big Bore Kit

Aprilia RS4 50 Athena Big Bore Kit

Athena big bore kit for the Aprilia RS 4 50cc


This is an 80cc Racing cylinder kit for the Derbi DB50BO Engine, the cylinder is made from high quality lightweight aluminium with a durable Nikasil lined bore perfect for fast road/ race conditions.

Kit includes: Cylinder, piston kit, 2 part cylinder head and all the gaskets to rebuild including upgraded steel head gaskets for the increased power and a variety of sizes to choose when setting the desired squish.

Click here for Technical Data Sheet

Kit fits:All bikes with the DB50BO Engine code (you can find your engine code on the metal plate near oil filler plug)

Aprilia RS50 2006 Onwards, Aprilia RS 4 50 2013 Onwards, Aprilia RX50 2006 Onwards, Aprilia SX50 2006 Onwards, Derbi GPR 50 Racing,

We Recommend using this kit with the Arrow performance exhaust with a larger main jet/carburettor for awesome results.

Superior quality kit made by Athena in Italy


Price: 175.00 (210.00 Including VAT at 20%)


Quantity:  




Sorry Out Of Stock



Aprilia RS4 50 Athena Big Bore Piston

Aprilia RS4 50 Athena Big Bore Piston

Replacement Athena big bore Piston for the Aprilia RS4 50 Athena Big Bore Kit


This is an 80cc Racing piston kit for the Derbi DB50BO Engine,

Kit includes:, piston, Rings, C-clips, Gudgeon Pin

Kit fits:All bikes with the DB50BO Engine code (you can find your engine code on the metal plate near oil filler plug)

Aprilia RS50 2006 Onwards, Aprilia RS 4 50 2013 Onwards, Aprilia RX50 2006 Onwards, Aprilia SX50 2006 Onwards, Derbi GPR 50 Racing,

Superior quality kit made by Athena in Italy


Price: 59.50 (71.40 Including VAT at 20%)


Quantity:  






Aprilia RS4 50 Athena Big Bore Gasket Kit

Aprilia RS4 50 Athena Big Bore Gasket Kit

Replacement Athena big bore Gasket Kit for the Aprilia RS4 50


This is an 80cc Racing Big Bore Gasket kit for the Derbi DB50BO Engine,

Kit includes: All the gaskets needed to rebuild the top end.

Kit fits:All bikes with the DB50BO Engine code (you can find your engine code on the metal plate near oil filler plug)

Aprilia RS50 2006 Onwards, Aprilia RS 4 50 2013 Onwards, Aprilia RX50 2006 Onwards, Aprilia SX50 2006 Onwards, Derbi GPR 50 Racing,

Superior quality kit made by Athena in Italy


Price: 14.20 (17.04 Including VAT at 20%)


Quantity:  






Aprilia RS4 50 Budget Big Bore Kit

Aprilia RS4 50 Budget Big Bore Kit

Budget 70cc Big Bore Kit For the Aprilia RS4-50 DB50BO Motor 2006 - 2012

Kit Includes

70cc Cylinder

Piston , Rings, Gudgeon Pin, C Clips.

Cylinder Head and all the gaskets to rebuild.

Please Note This Kit Does Not Come With A Small End Bearing, The Std Small End Bearing Needs To Be Used.


Price: 138.60 (166.32 Including VAT at 20%)



Quantity:  




People who bought this item also bought:
1. Aprilia RS4 50 Arrow Exhaust System
2. Aprilia RS50 Clutch Lever 2006-2012 Carbon Look
3. Aprilia RS50 Front Brake Lever 2006-2012 Carbon Look



Aprilia RS4 50 Water Temp Sender Piaggio Motor

Aprilia RS4 50 Water Temp Sender Piaggio Motor

Replacment Sender Unint To Fit The Aprilia RS4 50

Genuine Aprilia Part 880325
Price: 12.50 (15.00 Including VAT at 20%)


Quantity:  






Aprilia RS4 50 Thermostat Piaggio Motor

Aprilia RS4 50 Thermostat Piaggio Motor

Replacement Thermostat To Fit The Aprilia RS4 50

Genuine Aprilia Part Number 483395
Price: 16.26 (19.51 Including VAT at 20%)


Quantity:  






Aprilia RS4 50 NGK Spark Plug BR9ES

Aprilia RS4 50 NGK Spark Plug BR9ES

Standard Spark Plug BR9ES To Fit The Aprilia RS4 50
Price: 3.83 (4.60 Including VAT at 20%)


Quantity:  




People who bought this item also bought:
1. Aprilia RS50-Derbi DB50BO Ital Kit Big Bore Kit
2. Aprilia RS50-Derbi DB50BO Small End Bearing



Aprilia RS4 50 NGK Spark Plug BR9EG

Aprilia RS4 50 NGK Spark Plug BR9EG

NGK Racing Spark Plug BR9EG To Fit The Aprilia RS4 50
Price: 7.02 (8.42 Including VAT at 20%)


Quantity:  




People who bought this item also bought:
1. Yamaha DT125R Head Gasket Athena
2. Yamaha DT125R Top End Gasket Kit Athena



Customer Reviews

  this is the one  I only ever fit this plug in my Mito evo 1   (28/08/2012) Jason - swadlincote



Aprilia RS4 50 NGK Spark Plug BR9EIX

Aprilia RS4 50 NGK Spark Plug BR9EIX

Aprilia RS4 50 Iridium Spark Plug

NGK IRIDIUM Spark Plugs Offers,Enhanced Igniton Efficiency, Better Acceleration,Faster Starting & Smother, Running, Longer Life
Price: 13.12 (15.74 Including VAT at 20%)


Quantity:  






Aprilia RS4 50 Spark Plug HT Lead

Aprilia RS4 50 Spark Plug HT Lead

Black HT Lead, Price is for 300mm length, If you need say 600mm long just add Qty 2
Price: 1.50 (1.80 Including VAT at 20%)


Quantity:  




People who bought this item also bought:
1. Aprilia RS50-Derbi DB50BO Piston Kit
2. Aprilia RS50-Derbi DB50BOTop End Gasket Set



NGK Spark Plug Cap Black

NGK Spark Plug Cap Black

NGK Spark Plug Cap For Use With Screw On Terminal Post Black

Suitable For Both 2T And 4T Engines

LB05E Black
Price: 2.88 (3.46 Including VAT at 20%)



Quantity:  






NGK Spark Plug Cap Black No Terminal Post

NGK Spark Plug Cap Black No Terminal Post

NGK Spark Plug Cap For Use Without Screw On Terminal Post Black

Suitable For Both 2T And 4T Engines

LB05F Black
Price: 4.83 (5.80 Including VAT at 20%)



Quantity:  




People who bought this item also bought:
1. Aprilia RS125 Carb Main Jet Dellorto 6mm
2. Aprilia RS125 Piston Circlips



NGK Spark Plug Cap Racing Red

NGK Spark Plug Cap Racing Red

Racing Spark Plug Cap Rubber Sheathed For Added Water Proofing

Red

For Use With Screw On Terminal Post Only


Price: 5.32 (6.38 Including VAT at 20%)



Quantity:  




People who bought this item also bought:
1. Wheel Socket 26MM
2. Yamaha DT125R Base Gasket
3. Yamaha DT125R Clutch Cover Gasket



Customer Reviews

    great cap   (10/07/2014) -





PJ Motorcycle Engineers - Specialists in 2 Stroke Engines


Aprilia RS125 Aluminium Fuel Tank Bolt
Aprilia RS125 Aluminium Fuel Tank Bolt

2.00
2.40
find out more

Aprilia RS125 Aluminium Fuel Tank Cup Washer
Aprilia RS125 Aluminium Fuel Tank Cup Washer

4.50
5.40
find out more

Aprilia RS125 Moto RRT Oil Filler Plug Alloy Type
Aprilia RS125 Moto RRT Oil Filler Plug Alloy Type

5.99
7.19
find out more

Aprilia RS125 Carb Main Jet Dellorto 6mm
Aprilia RS125 Carb Main Jet Dellorto 6mm

4.68
5.62
find out more


PJME Home
About Us
Contact Us
Links Page
News
General Shipping & Returns Information
Privacy Policy
Online Security
Cagiva 125
Yamaha RD350 LC
Yamaha RD350 YPVS
Cylinder Re-Sleeving
Cylinder Re-Coating
Cylinder Re-Boring
Crankshaft Rebuilding
Engine Rebuilding
Cylinder Packing
Engine Packing
Aprilia RS125
Home | About Us | Shipping & Returns | Terms & Conditions | Contact Us | Site Map | Search | Links & Resources

© Copyright PJME 2008-2013

Actinic Web Design maintained by Hanson Web Design