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This series of engines are usually to be found on ride on lawnmowers but can also be found on industrial walk behind
mowers, rotorvators and other equipment.
They have side valve (L-Head) configuration with the spark plug near the centre of the cylinder head.
The head is flat with vertical cooling fins and often has a flat, pressed steel cover plate over most of the fins
with a hole for spark plug access
The carburettor and air filter are fitted to the L/H side of the engine (viewed from behind) with the exhaust emerging from below the carburettor manifold.
There are electric start and pull start versions. Some of these engines have both.
They may have an integral fuel tank fitted to the R/H side of the engine but often the tank is provided by the mower manufacturer and is seperate from the engine.
The Model, Type and Code numbers are stamped into the pressed steel cowling just above the spark plug location
and are typically 170702, 170707, 171702, 190702, 190707, 196707 etc.
Engines whos model begins with 17 are 7HP, those begining 19 are 8HP.
Notice of possible service disruption Between the last week of June and the first two weeks of July, Briggs and Stratton will be implementing a global update of all systems. During this period, there will be no movements of parts or engines from their distribution centres.
This will impact on our service to customers. In readiness for this, we are endeavouring to increase our stocks in line with anticipated sales over this period however, it is inevitable that some items will become out of stock due to unexpected sales trends. Similarly, many less popular parts ordered through the special orders system which we do not hold here, will experience a fairly substantial delay. We are already noticing some disruption in parts movement as Briggs prepare for this monumental change.
We shall endeavour to keep customers informed where we become aware of any orders or enquiries for parts affected. Some anticipated availability times will no doubt be somewhat disappointing but we will try to be realistic rather than promising something that is unlikely or unachievable.
All being well the disruption will be kept to a minimum and our increased stock holdings will largely allow the majority of regular orders to be processed as normal. Apologies in advance for any inconvenience that this may cause