Lawn & Garden Engine

Model # SBV-51 Official Lauson gas engine short block

Here are the diagrams and repair parts for Official Lauson SBV-51 gas engine short block, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for
SBV-51 Gas Engine Short Block
Plug 27625
#74

Unit parts diagram

Plug

Part #27625

The manufacturer no longer makes this part, and there's no substitute part

Gasket 27930
#72

Unit parts diagram

Gasket

Part #27930

The manufacturer no longer makes this part, and there's no substitute part

/brether Asy 28423
#54

Unit parts diagram

/brether asy

Part #28423

The manufacturer no longer makes this part, and there's no substitute part

Bolt 21718
#18

Unit parts diagram

Bolt

Part #21718

The manufacturer no longer makes this part, and there's no substitute part

Gear 27884
#13

Unit parts diagram

Gear

Part #27884

The manufacturer no longer makes this part, and there's no substitute part

Groove Pin 29783
#12

Unit parts diagram

Groove pin

Part #29783

The manufacturer no longer makes this part, and there's no substitute part

Pin 20810
#10

Unit parts diagram

Pin

Part #20810

The manufacturer no longer makes this part, and there's no substitute part

Retain Ring 27888
#16

Unit parts diagram

Retain ring

Part #27888

The manufacturer no longer makes this part, and there's no substitute part

Valve Spring 27881
#8

Unit parts diagram

Valve spring

Part #27881

The manufacturer no longer makes this part, and there's no substitute part

Cap 27882
#7

Unit parts diagram

Cap

Part #27882

The manufacturer no longer makes this part, and there's no substitute part

Repair guides for front-engine lawn tractors

How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Repair difficulty
Time required
 45 minutes or less
How to replace a riding lawn mower front tire

How to replace a riding lawn mower front tire

Get your mower moving again by using these instructions when replacing a damaged front tire.…

Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…