[AT] Need some help, hard starting CR950 Briggs

[Greg Hass]

I have a JD Zero Turn with 27 hp. Briggs engine and electric start.
Anything around 45 to 50 degrees and it just wouldn't start. It does not
idle good either, but the book says that is because of emissions control.
My brother has a Simplicity zero turn 3 years old and several times has
tried to start it in 40 degree and it just won't fire so it is not just my
mower. Both engines have fixed jets so no adjustment is possible. It is
possible other things could be wrong, but my only other idea is to make
sure it has fresh WINTER blend gas.
       Greg Hass













On Sun, Feb 13, 2022 at 8:15 AM Moe Fretz <tubetester at gmail.com> wrote:

> Try this site, they should be able to help  you.
>
> http://ppeten.com/forums/search.php?search_id=newposts
>
>
> On Sat, Feb 12, 2022 at 18:51 Mike M <meulenms at gmx.com> wrote:
>
>> Hi Farmer,
>>  Just a thought, my log splitter was hard to start in cold weather, until
>> I changed the hydraulic fluid from the OEM  fluid to transmission fluid,a
>> whole world of difference.
>>
>> Mike M
>>
>>
>>
>>
>> On 2/12/2022 9:24 PM, Stephen Offiler wrote:
>>
>> Hi farmer:  I'd have to think you've already been down this road, but,
>> I'll say for the record that I've had pretty decent luck downloading
>> manuals from the Briggs site.  But I haven't done it lately, and it's
>> always 20-year old stuff when I do.   The other thing I'll mention is the
>> good old unlit propane torch in the intake trick.  That's my go-to when
>> they're almost trying to start.  There's spark and fuel but the modern
>> carburetors are set lean for emissions and it just seems that the choke
>> doesn't quite get the mixture rich enough.
>>
>> Good luck,
>> Steve O.
>>
>> On Sat, Feb 12, 2022 at 7:43 PM Indiana Robinson <robinson46176 at gmail.com>
>> wrote:
>>
>>> We have a log splitter a couple of years old that has a OHV CR950
>>> Briggs. It only has a few hours on it but has become quite hard to start
>>> (recoil start). It is way too recent for my knowledge base... It seems that
>>> most things are these days. Apparently the OHV Brigg's have a cam bump
>>> "compression relief" I also understand that there is an important valve
>>> adjustment procedure that can normally improve starting problems. We can't
>>> find a site that gives a clear and understandable explanation of the
>>> procedure.
>>> Does anyone know of a site with a clear description of how to do it? It
>>> will usually start if it is sitting in the sun and the temp is at least
>>> 50... Yesterday at 45 degrees it "ALMOST" started 837 times... It keeps
>>> firing enough to keep you trying and trying...
>>> Thanks
>>>
>>> --
>>> --
>>>
>>> Francis Robinson
>>> aka "farmer"
>>> Central Indiana USA
>>> robinson46176 at gmail.com
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
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>>>
>>
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> --
> Moe Fretz
>
> L’Orignal ON,
> Canada
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