Hyundai HYM430SP 4-stroke Petrol Lawnmower Self Propelled 139 Cc 42cm Cutting Width £169.99 @ Robert Dyas
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Hyundai HYM430SP 4-stroke Petrol Lawnmower Self Propelled 139 Cc 42cm Cutting Width £169.99 @ Robert Dyas

£169.99£199.9915%Robert Dyas Deals
58
Posted 11th Jun
£30 cheaper than official dealer and amazon
Free delivery
Community Updates
Powered by Hyundai, this ‘no fuss’ rotary lawn mower boasts an impressive 139cc 4-stroke petrol engine. Ideal for medium size gardens this mower has a 42cm cutting width and runs straight on unleaded petrol so no messy mixing. Using a 4-stroke engine also reduces noise and fuel consumption making this a more efficient lawnmower.

You can conveniently choose one of the six cutting heights between 25 and 75mm using the single lever. This lightweight mower is also easy to store and transport thanks to the folding handle.

Additionally, this mower has a large 45L collection bag so you won’t have to repetitively stop and empty during use.

Features and Benefits
  • Easy to use –With a new contactless ignition system and a foldable handle you can easily start and transport this mower.
  • Adjustable – Easily adjust the cutting height between 25 and 75mm to suit your garden.
  • Large collection bag – Spend more time mowing and less time emptying.
  • Efficient – The 4-stroke engine boasts improved torque and reduced noise/air pollution.
Specifications
  • Push rotary lawnmower
  • Petrol powered
  • Real wheel drive
  • 3hp OHV 4-stroke 139cc engine
  • Rear discharge, collection and mulching.
  • Free 4 stroke oil included
  • Cutting width: 42cm
  • Collection bag: 45L
  • Cutting heights: 25mm to 75mm
  • Weight: 28kg
  • Foldable handle
  • Colour: Blue
  • Warranty: 3 years

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Top comments
jeeeeeez11/06/2019 20:23

Medium sized garden? Surely a decent cordless mower will far outperform …Medium sized garden? Surely a decent cordless mower will far outperform this in cost, noise and stink for all but the largest, most remote lawns.


When I was a kid my mates dad had an electric lawn mower. When all the kids in school found out they all used to joke about him having two mothers.
Looks like a tiny Decepticon...beware!
enginemadme11/06/2019 20:46

Cheap Chinese engine.If it's not Briggs and Stratton or honda don't bother


Aren't the Briggs and Stratton engines made in China these days using cheaper components?

Hands up anyone who watches Mustie1's youtube channel?
58 Comments
Thanks @Luke_Evans that looks a good price for this
I'm tempted by this. Are these petrol mowers safe to carry in a car boot? I need a mower for two gardens and I don't have a towbar or trailer.
radium11/06/2019 19:59

I'm tempted by this. Are these petrol mowers safe to carry in a car boot? …I'm tempted by this. Are these petrol mowers safe to carry in a car boot? I need a mower for two gardens and I don't have a towbar or trailer.


I used to carry one frequently in my Saab hatchback,never had any problems,but the lifting in and out was quite easy,as a low sill,not sure about getting one into a saloon car boot,would just advise not overfilling the tank before transporting,this mower looks a great bargain,could be a bit heavy at 28kgs for lifting
radium11/06/2019 19:59

I'm tempted by this. Are these petrol mowers safe to carry in a car boot? …I'm tempted by this. Are these petrol mowers safe to carry in a car boot? I need a mower for two gardens and I don't have a towbar or trailer.


Get a fuel siphon pump and drain the tank if that is your main concern.

Also for those buying this, buy some fuel stabiliser as otherwise stored fuel can go bad and damage your carb.
Medium sized garden? Surely a decent cordless mower will far outperform this in cost, noise and stink for all but the largest, most remote lawns.
jeeeeeez11/06/2019 20:23

Medium sized garden? Surely a decent cordless mower will far outperform …Medium sized garden? Surely a decent cordless mower will far outperform this in cost, noise and stink for all but the largest, most remote lawns.


When I was a kid my mates dad had an electric lawn mower. When all the kids in school found out they all used to joke about him having two mothers.
Cheap Chinese engine.

If it's not Briggs and Stratton or honda don't bother
Looks like a tiny Decepticon...beware!
It's a great machine, works very well, pretty powerful, starts quick (if oil and fuel not empty) and most important part is its self propelled. It's much cheaper than the known engines that people boast about and quite dependable too.
I bought this at a much higher price from amazon last year so this is a great deal.
enginemadme11/06/2019 20:46

Cheap Chinese engine.If it's not Briggs and Stratton or honda don't bother


It's got a 3 year warranty so they must have confidence in its reliability/longevity...
bellboys11/06/2019 22:08

It's got a 3 year warranty so they must have confidence in its …It's got a 3 year warranty so they must have confidence in its reliability/longevity...


Are you a garden machinery technician?
enginemadme11/06/2019 20:46

Cheap Chinese engine.If it's not Briggs and Stratton or honda don't bother


Aren't the Briggs and Stratton engines made in China these days using cheaper components?

Hands up anyone who watches Mustie1's youtube channel?
jeeeeeez11/06/2019 20:23

Medium sized garden? Surely a decent cordless mower will far outperform …Medium sized garden? Surely a decent cordless mower will far outperform this in cost, noise and stink for all but the largest, most remote lawns.


I'm still nervous about how long the batteries will last and cost of replacement. Also the length of the grass must have an impact to run time as well as torque on the blade .... here I'm assuming petrol have higher torque but I don't know for sure.
bellboys11/06/2019 22:26

No. Are you mad on engines?


Yes absolutely crazy about them! That's why I have worked on them for 20 years
enginemadme11/06/2019 22:31

Yes absolutely crazy about them! That's why I have worked on them for 20 …Yes absolutely crazy about them! That's why I have worked on them for 20 years



So can you confirm or deny that Briggs and Stratton have moved some production to China?
welshblob11/06/2019 22:25

Aren't the Briggs and Stratton engines made in China these days using …Aren't the Briggs and Stratton engines made in China these days using cheaper components? Hands up anyone who watches Mustie1's youtube channel?


Yes and no. They have changed the design to a plastic bowl type carb with over head valves but still a quality engine.

The older Briggs engine also had plastic carbs but are a simpler design.
enginemadme11/06/2019 22:35

Yes and no. They have changed the design to a plastic bowl type carb with …Yes and no. They have changed the design to a plastic bowl type carb with over head valves but still a quality engine.The older Briggs engine also had plastic carbs but are a simpler design.




Confusing. So are they not made in China but just made in the USA from cheaper parts?
bellboys11/06/2019 22:32

So can you confirm or deny that Briggs and Stratton have moved some …So can you confirm or deny that Briggs and Stratton have moved some production to China?


Almost certainly! So are honda engines But the engine is designed elsewhere and is a proven patented design
enginemadme11/06/2019 22:39

Almost certainly! So are honda engines But the engine is designed …Almost certainly! So are honda engines But the engine is designed elsewhere and is a proven patented design




Wow. China are taking over, aren't they? I don't suppose Harleys are made there now?

PS do you have first-hand experience of the Chinese engine in the Hyundai? And if so, what is its major failing? And wouldn't the engine be designed in South Korea? Like the rather excellent 1 litre turbo one in my i30?
Edited by: "bellboys" 11th Jun
bellboys11/06/2019 22:43

Wow. China are taking over, aren't they? I don't suppose Harleys are made …Wow. China are taking over, aren't they? I don't suppose Harleys are made there now? PS do you have first-hand experience of the Chinese engine in the Hyundai? And if so, what is its major failing? And wouldn't the engine be designed in South Korea? Like the rather excellent 1 litre turbo one in my i30?** this might actually have been designed in Europe.


First thing first it's not a "Hyundai" just like the "Subaru" engines they use on the Ryobi lawnmowers.

They make one engine and rebadge it and put it on something else
enginemadme11/06/2019 22:47

First thing first it's not a "Hyundai" just like the "Subaru" engines they …First thing first it's not a "Hyundai" just like the "Subaru" engines they use on the Ryobi lawnmowers. They make one engine and rebadge it and put it on something else




So Hyundai just buy in their lawnmower engines, stick a Hyundai badge on them and have no input into their design? Is that what you are saying? Have to say it's a minefield out there. I'm surprised at Hyundai if that is the case.
bellboys11/06/2019 22:58

So Hyundai just buy in their lawnmower engines, stick a Hyundai badge on …So Hyundai just buy in their lawnmower engines, stick a Hyundai badge on them and have no input into their design? Is that what you are saying? Have to say it's a minefield out there. I'm surprised at Hyundai if that is the case.


Yes just like 100+ other lawnmower manufacturers do.

Like I said above choose a quality engine, Either a Briggs and Stratton or honda.

They will last a lifetime if looked after.
I hope these are better made than their brush cutters - which I found to be dreadful and didn't last at all. I went through two within the first year. I own a Hyundai car, so was expecting similar efforts on the quality front. I was very disappointed.
I have a Honda easy start but would go for it if I would be in the need for it no questions at all.

Good price
Hyundai Corporation Holdings - nothing to do with Hyundai Automotive and it’s not a Hyundai engine.
I was thinking about getting the Honda Izy which is more expensive but even that had some bad reviews like "only lasted a year etc". I suppose it's how you look after them tho.
These machines have nothing to do with the car manufacturer are pretty generic Chinese fodder.
Sold to the retailers and by himself direct by Roland a guy in Wales who took on the franchise some years ago that also rebrands other Chinese cheap tat like generators shredders battery packs anything they can get their hands on lol.

They are sold by anyone and everyone, butchers, bakers and candle stick makers.
Buy a cobra designed in the UK by Hentons based in Nottingham better by far.
Look at hyundai power equipments trust pilot score ALL warranty is handled by then in Wales direct regardless who you purchased from and they are shockingly bad.
May have a 3 year warranty but beware the chaos it involves getting anything sorted.
Edited by: "hkphooey" 12th Jun
Luke_Evans12/06/2019 04:57

I was thinking about getting the Honda Izy which is more expensive but …I was thinking about getting the Honda Izy which is more expensive but even that had some bad reviews like "only lasted a year etc". I suppose it's how you look after them tho.


I’ve got a Honda Izy had for 10 years
never really looked after it
never gone wrong when I saw cost of a new one
I’ve just got a service kit and going to fully service it this weekend going to looking after now lol
Luke_Evans12/06/2019 04:57

I was thinking about getting the Honda Izy which is more expensive but …I was thinking about getting the Honda Izy which is more expensive but even that had some bad reviews like "only lasted a year etc". I suppose it's how you look after them tho.


Yes they are great lawn mowers. It will last you a lifetime.

(As long as you put oil in it and don't hit anything with the blade!)
enginemadme11/06/2019 22:35

Yes and no. They have changed the design to a plastic bowl type carb with …Yes and no. They have changed the design to a plastic bowl type carb with over head valves but still a quality engine.The older Briggs engine also had plastic carbs but are a simpler design.


Mustie1 channel is well worth it
welshblob11/06/2019 22:30

I'm still nervous about how long the batteries will last and cost of …I'm still nervous about how long the batteries will last and cost of replacement. Also the length of the grass must have an impact to run time as well as torque on the blade .... here I'm assuming petrol have higher torque but I don't know for sure.


I'm a commercial grass cutter and have all kinds of petrol mower at my disposal but my preferred mower these days for small to medium lawns is our 36v Bosch rotak lithium cordless mower and two batteries. Excellent mower and much better not driving around with cans of petrol in vehicle.
radium11/06/2019 19:59

I'm tempted by this. Are these petrol mowers safe to carry in a car boot? …I'm tempted by this. Are these petrol mowers safe to carry in a car boot? I need a mower for two gardens and I don't have a towbar or trailer.

jeeeeeez11/06/2019 20:23

Medium sized garden? Surely a decent cordless mower will far outperform …Medium sized garden? Surely a decent cordless mower will far outperform this in cost, noise and stink for all but the largest, most remote lawns.


This isnt either
Not that powerful
Not that wide
Not sure if you need the propelling for a smallish lawn
Not sure this is a deal by any means
polybore12/06/2019 07:51

I'm a commercial grass cutter and have all kinds of petrol mower at my …I'm a commercial grass cutter and have all kinds of petrol mower at my disposal but my preferred mower these days for small to medium lawns is our 36v Bosch rotak lithium cordless mower and two batteries. Excellent mower and much better not driving around with cans of petrol in vehicle.


Think I'll keep my eye out for some good deals on cordless mowers then.
Luke_Evans12/06/2019 04:57

I was thinking about getting the Honda Izy which is more expensive but …I was thinking about getting the Honda Izy which is more expensive but even that had some bad reviews like "only lasted a year etc". I suppose it's how you look after them tho.


With lawnmowers it's a lot about whether it's a decent engine design which is why people are (rightly) going on about it. Loads of Chinese manufacturers will sell you a cheap 4-stroke engine with little care whether it will meet the use and abuse when used in a lawnmower, e.g. wet, damp, left in a shed for six months without being used. Often it may still work but be a ***** to start each time - good luck getting that fixed on warranty.

Having limped along with some Chinese cr*p that took tons of engine starter to revive it each time I always pay the (not very much) extra for a decent engine.
Nothing to do with Hyundai Automotive Group, these are Chinese made tools ( as the others on the market) They've probably bought the rights to use the name. In terms of the gardening tools they are selling, I'm quite happy. I've bought a brushcutter and a Wheeled Grass Trimmer about 2 years ago and I've not had any problems until now...SO depends on what you need, if you're professional probably you'll skip these and go for well-known brands but if needed for some domestic use I would recommend...
enginemadme12/06/2019 07:20

Yes they are great lawn mowers. It will last you a lifetime.(As long as …Yes they are great lawn mowers. It will last you a lifetime.(As long as you put oil in it and don't hit anything with the blade!)



I have inherited a GCV135. It's not quite as big as my outgoing mountfield and is a great engine but I find the lowest cutting height just too high. My grass has been cut low for the last ten years so is used to it. It's the only negative about the Honda. It's a shame I can't lower it further... might force me into buying another however I would rather use my Dad's old one for sentimental reasons...
Great price. Pretty sure the same engine is used in the i30 given how slow my mate drives his.
I have this mower. It's a great piece of kit except for the plastic air-filter cover that keeps falling off.
Better off spending a few ££ more and getting a trusted brand like Mountfield with proper service and warranty support.
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