Description
Overview:
This Carb Kit (Walbro) is a genuine Kohler service kit for restoring the carburettor fitted to SV470 and SV471 single‐cylinder engines, and other SV480 variants used in garden and light construction machinery. It is designed to refresh the fuel system by replacing worn gaskets, seals and small service parts that affect starting, idle quality and throttle response. The kit typically includes fibre/paper gaskets, O‐rings, seals, a needle and related small hardware for a complete overhaul of the Walbro carburettor found on these engines. Made from durable, fuel‐resistant materials to match Kohler specifications, it helps prevent leaks and air ingress, maintains correct metering, and supports reliable running under regular use. Supplied as a genuine Kohler part to ensure correct fit, function and long service life.
Key Features:
- Genuine Kohler part for assured compatibility with Walbro carburettors on SV470-SV480 engines
- Direct replacement for OEM number 20 853 86-S for straightforward identification
- Includes the key service items needed for a full carburettor rebuild (gaskets, O‐rings, seals, needle and small parts as required)
- Restores easy starting, stable idle and smooth acceleration after wear or varnish build‐up
- Fuel‐resistant materials selected for durability in modern pump petrol
- Helps prevent fuel and air leaks that cause poor running or high fuel consumption
- Designed for routine maintenance to extend engine life and reduce downtime
- Compact kit format for quick bench‐top servicing with standard tools
- Suitable for workshop, fleet or DIY maintenance schedules
- Backed by Kohler's manufacturing standards for consistent performance
Typical Applications:
Used during scheduled servicing or repair of lawn tractors, ride‐on mowers and other garden or light construction equipment powered by Kohler SV470-SV480 engines. Ideal when addressing hard starting, surging, hunting, rough idle, hesitation under load, or evidence of fuel seepage. Commonly fitted in home garages, trade workshops and hire fleets to return engines to reliable day‐to‐day operation.
Also known as:
Carburettor rebuild kit, carb repair kit, carb overhaul kit, Walbro service kit, gasket and diaphragm set, Kohler SV series carb kit, fuel system service kit for Walbro carb bodies used on Kohler SV engines.
Fits Models:
SV470, SV471, SV480
Alternate Part Numbers:
20 853 86S, 2085386-S, 2085386S