Briggs & Stratton Quantum Engine Spare Parts

Walk behind mower cover.
Protects against most weather conditions.
Fits walk behind mowers up to 22"
Width 55cm
Length 142cm
Height to handlebar 119cm

Repair manual for all single cylinder side valve engines built after 1981 including Quantum engines
Covers all you need to know!

Short reach spark plug for all Briggs and Stratton side valve engines

19mm/21mm Spark plug box wrench for 992041 spark plug

Briggs and Stratton Petrol additive for all 4 stroke and 2 stroke petrol engines
Prevents fuel deterioration during periods of non-use and generally aids engine efficiency
Essential for correct winter storage of lawnmowers etc.

100 ml, treats 10 litres of fuel

Throttle control and cable to fit many applications
1.35m long. End can be bent to suit
Negative action(Control pushed to fast, shortens inner wire)

Throttle control and cable to fit many applications
1.35m long. End can be bent to suit
Positive action(Control pushed to fast, lengthens inner wire)

Clamp and screw, throttle cable

Briggs and Stratton genuine service tune up kit for Quantum engines whose (model number starts with 12)
Includes 491588S Air Filter, foam pre-filter, 0.6l Oil, 992300 Spark Plug
Ensure the side valve spark plug option above is selected

Paper air filter.
Approx 13cm x 11.5cm

Pre-filter for 491588 quantum filter
(Can be retro fitted to prelong filter life)

Cover, filter

Screw, air filter

Base, air cleaner
Includes primer, gasket, grommet and bracket
Also primer blank for engines with choke start

Paper air filter for for Quantum Mk1 engine (model number begins with 1007??)
Approx 12cm x 12cm

Dipstick assembly, includes seal

Oil dipstick "O" ring seal for Quantum engines whose model number begins 12

Fuel cap. Black. Approx 6cm overall diameter with 30cm male bayonet fitting and retaining tag

Fuel cap for Quantum engines.
Now replaced with 692046 below, please order that

Fuel cap for Quantum and Quantum Mk1 engines

Fuel tank. Black plastic half wrap
Fits all half wrap tank Quantum engines whose model number starts with 12
Includes cap

699392 Fuel tank. Black plastic full wrap
Fits all full wrap tank Quantum engines whose model number starts with 12
Includes cap
Replaces older tanks which incorporated a tap

Screw, shouldered. 3 used to retain top of fuel tank.

Red in line fuel filter for gravity fed fuel systems

Fuel tube for most applications

Sold in units of 20cm. Multiple purchases will be supplied in one total length
Use with 710075 clamps.(sold seperately)

Plated fuel tube hose clamp
Fits 11mm O/D fuel tube 395051

Black fuel tube clamp. Fits 12mm O/D fuel hose
(Slightly smaller than 95162)

Green fuel tube clamp. Fits fuel tube over 12mm O/D
(Slightly larger than 691038)

In line fuel shut off valve supplied with 2 x 95162 tube clamp

Air filter gasket. For older Quantum engines which have a metal air filter base.

Air filter gasket for Quantum engines with plastic air filter base

Governor spring for Quantum engines whos model number
begins with 12 and have a primer for cold stating or ready start

Governor spring for Quantum engines whos model number
begins with 12 and have a throttle cable operated choke for cold stating

RPM tachometer to accurately set engine speed
Easy to use and compact. Complete with instructions and wallet
Suits any engine

Choke return spring for Intek engine

Carburettor. For Quantum engines which have a primer for cold starting
Please note - This carburettor has a fixed idle jet but also replaces the no longer available adjustabe idle jet primer carburettors. Includes intake manifold "O" Ring seal

Carburettor.For Quantum engines which have a manual choke activated by the throttle cable (not primer or readystart) for cold starting
Includes intake manifold "O" Ring seal
Has idle jet adjustment screw but can be used to replace choke start fixed idle jet carburettor.
Not suitable for engines prior to 1993 which have a metal air filter base

Choke shaft. Includes return spring and seal

Carburettor
Autochoke - Readystart (Engine has a thermostat behind the exhaust and a plastic air vane under the engine cover) Includes O ring seal

Carb overhaul kit for all Quantum engines
Includes gaskets, seals, inlet needle and seat, idle mixture screw, welch plugs, float pin, shaft seals.
Note- some very early Quantum Mk1 engines may have a different idle mixture screw not included.

Inlet valve needle & seat. For all Quantum engines.

Start primer for Quantum and Intek engines with prime starting
(Also replaces older black one)

Carburetor bowl gasket for all Quantum engines
Approx 48mm outside diameter

Fibre carburetor bowl lower seal washer for many engines
Approx 10mm inside diameter

Fibre carburetor bowl lower seal washer for many engines
Approx 9mm inside diameter

794305 (was 497465) manifold for Quantum engines whos model number begins 12
Includes gasket. Replaces all Quantum 12 manifolds (metal and plastic) with both rectangular and round (using an insert included) intake openings.

"O" Ring inlet seal for Briggs and Stratton Sprint, Classic & Quatro carburetors

1/4 inch diameter bolt for engine cowling, carb bracket etc.
(approx 14mm long)

Complete rewind assembly, plastic pawl type
Includes pulley, spring, pawls and rope pre-assembled and ready to bolt on
Includes screws and instructions for replacing riveted unit

Please note - If your starter has metal pawls, you will need to replace the existing flywheel cup with the 695161 cup and screen below in order to replace it with this rewind.

Starter cup and rotating screen.
If your rewind has metal pawls, fitting this cup and screen to your flywheel in place of the existing cup will allow it to be replaced with the later 497680 starter (see above) which is far easier to work on.

Recoil pulley & spring for Quantum engines that have a screw retainer and plastic pawls & plate
Approx 13.5cm diameter

Starter pawls & retaining plate for Sprint, Classic and Quattro engines with later (498144) type starter pulley
Parts Included - 2 x 281505S pawl, 692299 plate & 691855 friction spring

Screw, pawl plate retaining

Recoil pulley & spring for older type Quantum(series 12) engines with metal pawls
Approx 13.5cm diameter

3.5mm diameter recoil rope for quantum engines.
Approx 2.4m long white
Replaces shorter rope 66734

Starter rop stop. Crimped to rope to prevent rope retracting fully into rewind when folding handles.

Rope guide. Includes bolt and nut for fitting to handle

Rubber recoil grip with plastic insert suits engines where grip returns to the engine

Starter grip for machines with extended rope and grip retained up the handles

Easy grip starter handle
Allows full hand engagement for more solid handhold

Cylinder head gasket kit for Quantum engines whos model begins with 12. For all valve and decoke work
Includes both early and later head gaskets

Engine gasket set for early Quantum engines whos model begins with 12
Includes seals etc.
For later models also purchase 692249 shown below

Head gasket for later Quantum series engines
Note that the area below the valves is filled to a point compared with the older gasket shown in 496117

Cylinder head gasket for Quantum Mk1 engine
(Model number begins 1007??)

Quantum mk1 cylinder head bolt. Approx 50mm long

Breather/valve chest gasket for all Quantums including Mk1

692232 Crankcase gasket for Quantum engine whos model number begins with 12

Upper oil seal (flywheel side) for all Quantum engines.
Approx 32mm outside diameter x 20mm inside diameter

399781S Lower oil seal, (sump side) for all Quantum engines

Timing gear. Replaces plastic timing gear that has its key moulded into it. This does not replace any of the timing gears which use a seperate key

Oil seal. Side APTO Shaft
Replaces old number 391484
For Quantum engines which have a pto drive shaft emerging from the side of the sump

Pin. Retains brass gear onto side pto shaft

Muffler to fit all Quantum engines. Includes gasket, bolts and lock tab

Exhaust gasket for all Quantum engines
Bolt hole centres approx 40mm apart

Muffler deflector. Includes screws

Exhaust muffler guard for most quantum series 12 engines
Supplied complete with screws

Ignition spark tester. Tests the ignition system for efficiency
For all engines

Spark plug terminal (493880S) and rubber elbow (66538S), to fit all side valve HT leads

Metal shielded ignition terminal

Stop wire. Approx 42cm long

Electronic ignition armature magneto coil for Quantum engines whose model number begins with 12
(fitted in lieu of 802574)
Please note that there has been a design change to this unit. The new one may not resemble your original exactly but is correct and will fit the engine
For engines with Readystart auto choke, a new design air vane is associated with this armature. If your air vane does not have the step cut out shown on the air vane listing below, you willl also need to replace the vane.

Auto choke (readystart) air vane.
Has extra cut out to suit new armature design but also replaces the older vane.

Spring, Ready Start auto choke vane

Thermostat, readystart

Indak Ignition key set. Contains two keys
Flat profile. (see pop up link below for shape) Fits most electric start machines

0.5Amp D.C. Charging alternator used on most electric start Quantum and Intek engines

Interlock micro switch for electric start engines with OPC control. (dead man's handle)

Flywheel puller for small engines
Distance between outer hole centres approx 40mm

Nut, crankshaft/flywheel
Required for puller use on engines which have a square drive rewind starter clutch

Flywheel key to fit most engines
Approx. 14mm long x 3mm x 4mm

Half moon woodruff key to fit crankshaft extension of most small Briggs and Stratton engines applications
No 505 - 5/32" x 5/8" (approx 4mm thick x 15mm long)

Key, crankshaft pulley 3/16" (Approx 4.75mm) square section x 37mm long

1/4" Square Pulley key. Approx 39mm long

Engine brake lockout link. Used to disable the brake where an engine is fitted to an application which does not use a mechanical emergency stop lever. NOT TO BE FITTED WHERE AN ENGINESTOP LEVER IS PRESENT.

Brake spring. For brake with hinged pad.
Approx 50mm long x 12mm diameter

Quantum XM55 replacement vertical crankshaft engine complete.

High quality engine fits rotary lawnmower and other vertical crankshaft applications.
Replacement for most engines up to 6HP
Fitted with OPC (deadmans handle) stop control but also includes throttle stop and instructions to disable the brake if required for use with non OPC machines
Prime and pull starting
Crankshaft extension 7/8"(22.2mm) diameter x 62mm long from mountings(extends approx 52mm from lower engine seal)
124T021952B1YY7001

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16kg

Quantum XM55 replacement vertical crankshaft engine complete.

High quality engine fits rotary lawnmower and other vertical crankshaft applications.
Replacement for most engines up to 6HP.
Fitted with OPC (deadmans handle) stop control but also includes throttle stop and instructions to disable the brake if required for use with non OPC machines.
Prime and pull starting.
Crankshaft extension 7/8"(22.2mm) diameter x 80mm long from mountings(extends approx 71mm from lower engine seal)
124T021950B1YY7001

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16kg