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Yamaha YFS 200 Blaster Crankshaft Main Bearing LH
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Kawasaki KR1S Engine Parts Bottom End



Kawasaki KR1S Crank rebuild Service

Kawasaki KR1S Crank rebuild Service

We Carry Out Crankshaft Rebuilds For The Kawasaki KR1 250 KR1-S 250 Here At PJ Motorcycle Engineers.

The Kawasaki KR1S 250 like most 2 strokes has a pressed together crankshaft assembly, but unlike most two stroke cranks the crank pin (the part the big end bearing runs on) is replaceable. On the KR1 KR1s crank the Crank pin is integral to the inner flywheel web. This makes the crankshaft difficult to quote for a rebuild. If there is wear to the crank pins you have to buy a complete inner web, these are £52.50 each + vat and there are 2 of them.

Depending on how worn your crank is the webs may or may not need replacing, if the big end bearing has let go then 100% it will need a new web, But if the crank has done low hours then you may get away with a std build. Without stripping the crankshaft down it is impossible to tell what parts will need to be replaced

With a Standard crankshaft build we strip all the components of the crankshaft clean and inspect for cracks then replace the following parts, Con rods, Big end bearings, Thrust washers, small end bearing, all 4 main bearings, centre seals And Outer Seals. All the parts are NEW and are high quality parts made in Japan IE Koyo / Hic Bearings And Long Brand Con Rods ETC.

We then build the crank on a jig which ensures the crank is phased at 180 degrees, the whole assembly is then trued by hand. The Crank is ready to be dropped into the crankcases.

The Price For A Standard Crank Rebuild Is £269.00 + VAT

Please Get in Touch If You Need This Serivce.Telephone: 01902 307457

Mobile Number For WhatsApp Messaging: 07884274838

Email Us Click Here websales@pjme.co.uk






Kawasaki KR1S Crankshaft Inner Web And Pin

Kawasaki KR1S Crankshaft Inner Web And Pin

Kawasaki KR1 And KR1 S 250 Inner Crankshaft Web And Pin

The KR-1S crank has integral crank pins what this means is the crank pin that the big end bearing runs on is part of the inner crankshaft web. This part has never been available as a separate part from Kawasaki, you can only buy the complete crankshaft !

In the past rebuilding the crankshaft has been difficult as it meant reusing the old inner web and pin which is ok as long as it is not worn, however in most cases the pin was worn past its service limit.

Now we have a solution

The New Moto RRT Inner Web And Pin For The KR-1S 250

Price Is For 1 CrankWeb


Price: 52.50 (63.00 Including VAT at 20%)



Quantity:  






Customer Reviews

  Very happy   Very happy to get my KR1s engine back together ! i have been searching for a good crank to build for over 8 months i brought 3 and all were scrap dont know what took someone so long to get these made. O by the way the webs look very high quality.   (18/01/2015) Ian - Nelson



Kawasaki KR1S Outer Crank Seals

Kawasaki KR1S Outer Crank Seals

Pair Of Outer Crank Seals To Fit The Kawasaki KR250 KR1 250 And KR1s 250
Price: 21.46 (25.75 Including VAT at 20%)



Quantity:  




People who bought this item also bought:
1. Kawasaki KR1S Small End Bearing
2. Kawasaki KR1S Piston Kit
3. Kawasaki KR1S Kick Start Shaft Seal



Kawasaki KR1S Bearing And Seal Kit

Kawasaki KR1S Bearing And Seal Kit

Main Crankshaft Bearing And Seal Kit To Fit The KR250 KR1 250 And KR1s 250

What You Get In The Kit

4 Crankshaft Main Bearings

2 Centre Crank Seals

1 LH Outer Crank Seal 1 RH Outer Crank Seal


Price: 108.69 (130.43 Including VAT at 20%)



Quantity:  




People who bought this item also bought:
1. Kawasaki KR1S Conrod Kit
2. Kawasaki KR1S Top End Gasket Set
3. Kawasaki KR1S Piston Kit



Customer Reviews

  C est du KOYO!!Livraison super rapide,Best quality  Merci de fournir pour nos kr1 ,Trs bien emball! Roulement Made in Japan joint spy de qualit que du bon.   (17/10/2013) krone92 - france


  Very good quality and quick shipping  Thanks for very quick international shipping!! I will order again near future.   (03/12/2012) -



Kawsaki KR1S Crank Centre Shaft

Kawsaki KR1S Crank Centre Shaft

Replacement Crank Centre Shaft To Fit The Kawasaki KR1s 250

Made From High Quality Aircraft Spec Steel And Hardened


Price: 69.00 (82.80 Including VAT at 20%)



Quantity:  






Kawasaki KR1S Crank Seal Kit

Kawasaki KR1S Crank Seal Kit

Set Of 4 Crankseals To Fit The Kawasaki KR1S 250

1 LH Outer Seal, 1 RH Outer Seal And 2 Centre Seals
Price: 49.50 (59.40 Including VAT at 20%)



Quantity:  






Kawasaki KR1S Conrod Kit

Kawasaki KR1S Conrod Kit

Replacement Con Rod Kit Fot The KR1 And The KR1S 250

Made In Japan By Long, Kit Comes With Rod, Big End Bearing, 2 Thrust Washers And Small End Bearing.

Price Is For 1 Kit
Price: 54.04 (64.85 Including VAT at 20%)



Quantity:  




People who bought this item also bought:
1. Kawasaki KR1S Bearing And Seal Kit
2. Kawasaki KR1S Top End Gasket Set
3. Kawasaki KR1S Piston Kit



Kawasaki KR1S Big End Bearing

Kawasaki KR1S Big End Bearing

Replacement Big End Bearing For the KR 1S

Price is for 1 Bearing


Price: 18.75 (22.50 Including VAT at 20%)


Quantity:  






Kawasaki KR1S Crankshaft Thrust Washers

Kawasaki KR1S Crankshaft Thrust Washers

Pair Of Thrust Washers To Fit The KR 1

Price Is For 2 Crankshaft Thrust Washers That Fit Either Side Of The Big End Bearing On The KR1-S


Price: 9.00 (10.80 Including VAT at 20%)


Quantity:  






Kawasaki KR1S Full Gasket Set

Kawasaki KR1S Full Gasket Set

Full Gasket Kit To Fit The Kawasaki KR1s 250

Kit Comes With Head Gasket, Base Gaskets, Exhaust, O-rings & Reed Valve Gaskets.

As You Can See By The Photo This Is A Compressive Gasket Kit


Price: 27.75 (33.30 Including VAT at 20%)



Quantity:  




People who bought this item also bought:
1. Kawasaki KR1S Piston Kit
2. Kawasaki KR1S Kick Start Shaft Seal
3. Kawasaki KR1S Gear Change Shaft Seal



Kawasaki KR1S Sprocket Shaft Seal

Kawasaki KR1S Sprocket Shaft Seal

Sprocket Shaft Seal To Fit The Kawasaki KR1S
Price: 2.50 (3.00 Including VAT at 20%)



Quantity:  




People who bought this item also bought:
1. Kawasaki KR1S Piston Kit
2. Kawasaki KR1S Kick Start Shaft Seal
3. Kawasaki KR1S Gear Change Shaft Seal



Kawasaki KR1S Gear Change Shaft Seal

Kawasaki KR1S Gear Change Shaft Seal

Gear Change Shaft Oil Seal To Fit The Kawasaki KR1S 250
Price: 1.20 (1.44 Including VAT at 20%)



Quantity:  




People who bought this item also bought:
1. Kawasaki KR1S Piston Kit
2. Kawasaki KR1S Kick Start Shaft Seal
3. Kawasaki KR1S Sprocket Shaft Seal



Kawasaki KR1S Kick Start Shaft Seal

Kawasaki KR1S Kick Start Shaft Seal

Kickstart Shaft Oil Seal To Fit The Kawasaki KR1S
Price: 1.20 (1.44 Including VAT at 20%)



Quantity:  




People who bought this item also bought:
1. Kawasaki KR1S Piston Kit
2. Kawasaki KR1S Gear Change Shaft Seal
3. Kawasaki KR1S Sprocket Shaft Seal



Kawasaki KR1S Clutch Plates

Kawasaki KR1S Clutch Plates

Set Of Clutch Friction Plates For The Kawasaki KR1S


Price: 47.98 (57.58 Including VAT at 20%)



Quantity:  






Kawasaki KR1S Flywheel Puller

Kawasaki KR1S Flywheel Puller

Flywheel Puller To Remove The Ignition Rotor From The Kawasaki KR1S

Also Fits Most Japanese Engines
Price: 8.50 (10.20 Including VAT at 20%)


Quantity:  








PJ Motorcycle Engineers - Specialists in 2 Stroke Engines


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