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Qualcast petrol mower, failing to start no spark

First use after winter, petrol mower failing to start. no spark, checked spark plug ok

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2 Answers

Lawn mower wont start

clean out carb.

Mar 14, 2015 | Garden

1 Answer

Turns over but dose not start, spark plug sparking ok

Check you have petrol if the bike has not been run for sometime replace the fuel. Petrol ages and causes all manner of problems.
Are you trying to start the bike but it has gone onto reserve, move the fuel tap to the reserve position then try to start it. If the above fails, then try these:-
Is the spark plug wet when removed. If dry it sounds like the petrol is not getting through. Try opening the filler cap and leave it open, make sure the kill switch is in the run position. Try starting with the throttle full open. Does the bike have a manual choke try to start with the throttle shut, choke off, then full on, then while continuing to turn over move the choke lever in stages from fully on to fully off. I find on my Yam TW125 (winter and bad weather hack) that if I have not used it for a while sharp twist the throttle a couple of times no more than a third of a turn. Hope this helps.

Apr 08, 2014 | 2009 Daelim Roadwin R 125 FI

1 Answer

Qualcast classic petrol 35s

Hello david I think you need to check the air filter is clean. This should sort it.

Aug 31, 2013 | Garden

1 Answer

Qualcast Motor Mower Starts but will not run

there will be a butter fly in the carb that pulsates this is conected to rev cable plastic may have snapped or cable come loose
take it it is petrol

Jul 29, 2012 | Garden

1 Answer

Mower been in the shed foer winter,2yr old model wont start,checked the spark plug,fuel,carb checked all moving parts,still only sputters when pulling cable to start

flooded????,,turn off petrol, take out spark plug,,give a few pulls then replace plug turn on fuel and give it a try,,cheers,hope this helps.

Feb 27, 2011 | Troy Bilt 5.5hp Self Propelled Mower

1 Answer

Tried starting my petrol mower, not used it for 3 weeks, and it won't start. it has petrol etc. could it be damp, it has been under cover but outside

first check the spark plugs if there is any spark when u try to start the engine...if there is none, then test the wiring without the spark plug and see if there is any if this does not solve then check the carb and also make sure there is petrol in it and petrol is flowing to the carb freely..If that does not solve then let us know and I will explain further as there is more complicated things that need to be checked and I cannot assist in a simple message.

Nov 12, 2009 | Garden

1 Answer

Like I said the mower will start but it doesn't stay running. When I prime the carb it seems like it stays running until the gas is burnt. By stated I checked the obvious I mean, there is no clog in the...

Hi it sound like a blocked jet in the carb, petrol crystallizes when left over winter time, it blocks the holes in the fuel jet, when you come to use it again next summer, best thing is to drain all the fuel/petrol from the float chamber in the carb over winter time. TO FIX IT you can strip the carb down and clean the restricted holes with a needle or fine wire to clear the blockage.if they've become blocked.

Oct 27, 2009 | Garden

3 Answers

Webb Diplomat 350 Petrol Lawn Mower stops running 10 minutes

The 'DIPLOMAT' series of WEBBs is bad news, its NOT a WEBB! Webb were swallowed by qualcast-atco-suffolk, who dunped Webbs tooling, & dressed up punches & commodores in thin disguises, dumped the briggs & stratten engine for their own alloy job, & charged a rip off premium for the Webb decals!
The qualcast suffolk alloy engine suffers from a WIPAC electronic ignition unit. As it gets old, it fails, sometimes completely, sometimes as it warms up. Once cool, it works for a while again.
Not too hard to replace, but hard on the wallet, £69 genuine, £40 fake! On the whole its not too bad an engine if cared for & oil changed often. better to look on ebay for a cheap used HONDA engine & transplant! R-E-L-I-A-B-L-E !............I did! ( £35 honda gc series, 5,5hp! )

Jul 27, 2009 | Garden

1 Answer

Nannie what can be wrong with my power devil petrol lawn mower the engine wont keep running then cuts out petrol and oil ok

Check air filter, check screen in bottom of fuel tank,
New spark plug and also check the spark.
If there is a weak spark, the coil may need to be replaced.

If you have good spark, clean air filter, and clean fuel tank screen, then the carberator will need to be pulled of and cleaned out with solvent

Jun 23, 2009 | Mtd 22" Yard Machine Push Mower

1 Answer

Can not start mower - petrol n oil ok - how do I get into s plugs


Fuel in the oil indicates an excessively rich condition. To correct, you will need to drain the petrol contaminated oil and replace with new. Then, take out the old spark plug and leave the spark plug hole open. Turn the engine over several timesby hand to help vent any raw gas in the cylinder. Then, install a new spark plug.
You should be able to now start your engine and make any other adjustments with it running.


Dr of Motors

Mar 20, 2009 | Garden

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