suffolk punch 43 cuts out when set to idle and massive virbating on full revs

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Sampick123
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Joined: Mon Jun 22, 2020 7:08 pm
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suffolk punch 43 cuts out when set to idle and massive virbating on full revs

Postby Sampick123 » Mon Jun 22, 2020 7:22 pm

hello all I have just got a second hand Suffolk punch 43 and I am looking for some help on a few issues.

1. when I am starting this mower I set it to full revs and when I pull the start cable. once it start I bring down the revs to idle it will then cut out as I am doing so.

2 when I have the mower started I will give it full revs and it begins to vibrate and rattle a lot not sure why.

I have still got to do some restoration such as cleaning and sharpening of the blades so any help is much appreciated.
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Richard
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Joined: Mon May 08, 2006 8:37 pm
Location: Lancaster
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Re: suffolk punch 43 cuts out when set to idle and massive virbating on full revs

Postby Richard » Tue Jun 23, 2020 9:59 pm

First thing to do is clean the carb out. If the machine has a DelOrto carb and has been laid up it may not run right for a while even with a clean carb. See my earlier posts about this. The alloy engine was always a fairly rattly device, but I believe the chassis could crack round the engine mounts and rattle even more, so worth checking there for cracks.
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Sampick123
KG Regular
Posts: 2
Joined: Mon Jun 22, 2020 7:08 pm
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Re: suffolk punch 43 cuts out when set to idle and massive virbating on full revs

Postby Sampick123 » Wed Jun 24, 2020 8:32 pm

thankyou I will try out your suggestions and let you know the outcomes
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