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CRANKSHAFT OIL SEAL KIT - 1275 , SPRITE & MIDGET

CRANKSHAFT OIL SEAL KIT - 1275 , SPRITE & MIDGET

CRANKSHAFT OIL SEAL KIT - 1275 , SPRITE & MIDGET
Qty:
In Stock
Internet Price $194.95

Part No: RIC777
In Stock
Internet Price $194.95
If you are tired of dripping oil onto your driveway and clutch, this crankshaft rear seal kit is the real thing. It allows you to replace the scroll seal with a real rubber seal! A special aluminum casting bolts right on to the block with no fabrication required. RIC777 (1275cc), Replacement seals only are available as RIC777/S.

The stock factory engine uses a 'scroll seal' which is not really a seal at all but simply a technique to try to keep the oil from not getting out from a rotating surface. There is no maintenance possible on the stock set up as it actually is a metal to metal system with no replacable parts involved. As it wears the engine simply leaks!





 
 
Question:
I have a morris engine, model no is 12V E-H330203 can u supply a afthermarket rear cranks oil seal kit for this engine?
Answer:

If the engine is a 1275cc then this is the kit you'll want to order:

https://www.spridgetmania.com/part/RIC777/Crankshaft-Oil-Seal-Kit---1275--Sprite--Midget


Spridget Mania Tech Team

The Spridget Parts and Accessories Experts

 
 
 
 
Question:
I’ve test fitted my aluminum top plate (that replaces the top half of the scroll seal) and it extends further from the engine than the bottom half of the scroll seal (on the rear main cap) by 0.012” or about 1/3 of a mm as measured with a feeler gauge. Is that going to be too large a gap to maintain a seal? 1275 midget engine
Answer:
I don't think this will be an issue but you should definitely fill the gap with sealant. Sealant should be used all around the outside of the seal holder (not the inside where the seal sits), too. Just make sure the areas where the sealant goes is 100% grease and oil-free or the sealant will be ineffective.

There's a number on the fork - for 1275cc applications it should be 22G168. I would confirm you've got the correct fork and not the earlier 2A3406 out of a smoothcase gearbox. The release bearings are specific to 1275, as well. Confirm that all the parts are for the ribcase gearbox and not the earlier smoothcase. Mixing and matching will cause issues.

The gearbox front cover with the pivot for the ribcase is part 22G118. Confirm this, too, before looking elsewhere.

The only roller bearing we sell has to be used with a particular pressure plate that has the center part removed where a carbon bearing would ride since the roller bearing is so much taller than the standard release bearing. My guess is this is your mismatch. If the clutch package is at all worn it may be best to get a new kit so that you know the clutch disc, pressure plate, and bearing will all work together as they should.


Here's a page from Gerard's Garage that shows a lot of these components and the differences between them (FYI):

 

https://www.gerardsgarage.com/Garage/Tech/TO_Bearings/tobearings.htm

Mini Mania Tech Team

The Classic Parts and Accessories Experts

 
 
 
 
Question:
If I order the kit above, which size of replacement seal does it take?
Answer:

This seal is the one in the new kits:

 

https://www.spridgetmania.com/part/RIC777-SS/Replacement-Main-Seal-For-Newer-Type-Ric777-Kit

It's 78x100x10mm.

Spridget Mania Tech Team

The Spridget Parts and Accessories Experts

 
 
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Related Technical Articles:
Spridget Performance Parts
Created: December 12, 2013
Spridget Performance Parts
Created: July 26, 2007
Crankshaft Oil Seal Adapter - Install Instructions
Created: May 24, 2001
Installation instructions for a OIL SEAL CRANK for a 1275 engine(part #RIC777).
Crankshaft Oil Seal Adapter
Created: January 30, 2000
Remove the flywheel, back plate, sump and the half-round cover, secured to the block by 3 bolts, above the main bearing cap (MBC). Carefully clean up the rear block face area adjacent to the MBC (Fig. 1 A); removing all traces of gasket, burrs, etc.; also the outer, horizontal edge of the flywheel mounting flange on the crank. This is where the new oil seal will seat; it will need to be checked for damage and carefully polished smooth with wire wool or fine emery.
Created: January 30, 2000
This kit contains parts and instructions for installing a conventional-style rear main seal on the 1275cc “A”-series engine as fitted to the A-H Sprite and MG Midget and as used as an upgrade to the Morris Minor.
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