Posted by dave on June 3, 2008, 4:37 pm
I have a Craftsman mower with a 6.5 hp B&S motor.
It didn't want to start this season. It has good fresh fuel and I
tried a new plug.
When I pull the cord there is nothing. When I pulled the plug it was
wet so I assumed that was the problem. DIdn't help either.
I sprayed starting fluid and it fired and ran for a moment until the
spray went away. If it was electrical it would not have run. Since
it ran on the starter fluid, it must be the carb,,, right? I am
assuming that maybe a jet is plugged. Am I heading down he right
path?
Thanks
Posted by Srgnt Billko on June 3, 2008, 5:53 pm
>I have a Craftsman mower with a 6.5 hp B&S motor.
> It didn't want to start this season. It has good fresh fuel and I
> tried a new plug.
> When I pull the cord there is nothing. When I pulled the plug it was
> wet so I assumed that was the problem. DIdn't help either.
> I sprayed starting fluid and it fired and ran for a moment until the
> spray went away. If it was electrical it would not have run. Since
> it ran on the starter fluid, it must be the carb,,, right? I am
> assuming that maybe a jet is plugged. Am I heading down he right
> path?
> Thanks
If the jet is clogged how did the plug get wet ? Fresh fuel - but did you
drain the carb ? Might be water in the carb. You've covered everything
else - except maybe the float needle valve is stuck open. And it's getting
too much gas. Is there a choke on this thing or is it the kind with the
primer bulb ? I've had the little tube to or from the primer bulb crack and
break.
Posted by dave on June 3, 2008, 8:28 pm
> >I have a Craftsman mower with a 6.5 hp B&S motor.
> > It didn't want to start this season. It has good fresh fuel and I
> > tried a new plug.
> > When I pull the cord there is nothing. When I pulled the plug it was
> > wet so I assumed that was the problem. DIdn't help either.
> > I sprayed starting fluid and it fired and ran for a moment until the
> > spray went away. If it was electrical it would not have run. Since
> > it ran on the starter fluid, it must be the carb,,, right? I am
> > assuming that maybe a jet is plugged. Am I heading down he right
> > path?
> > Thanks
> If the jet is clogged how did the plug get wet ? Fresh fuel - but did you
> drain the carb ? Might be water in the carb. You've covered everything
> else - except maybe the float needle valve is stuck open. And it's getting
> too much gas. Is there a choke on this thing or is it the kind with the
> primer bulb ? I've had the little tube to or from the primer bulb crack and
> break.
It has a primer bulb. I can hear the fuel bubble as I push it so I
don't think it is bad. I am going to try to pull the carb tomorrow
and see what I can find.
I hate to give in yet and take it to a shop. Hopefully it is
something obvious.
(I didn't think about the clogged jet and wet plug. Thanks for
throwing that out there)
Posted by Dioclese on June 4, 2008, 1:19 am
>I have a Craftsman mower with a 6.5 hp B&S motor.
> It didn't want to start this season. It has good fresh fuel and I
> tried a new plug.
> When I pull the cord there is nothing. When I pulled the plug it was
> wet so I assumed that was the problem. DIdn't help either.
> I sprayed starting fluid and it fired and ran for a moment until the
> spray went away. If it was electrical it would not have run. Since
> it ran on the starter fluid, it must be the carb,,, right? I am
> assuming that maybe a jet is plugged. Am I heading down he right
> path?
> Thanks
Wet spark plug spells either too much gas, OR, not enough air. Clean and
oil the air filter first, then work on the gas thing end if not successful.
--
Dave
Posted by Art on June 5, 2008, 7:43 pm
Dioclese wrote:
>> I have a Craftsman mower with a 6.5 hp B&S motor.
>>
>> It didn't want to start this season. It has good fresh fuel and I
>> tried a new plug.
>> When I pull the cord there is nothing. When I pulled the plug it was
>> wet so I assumed that was the problem. DIdn't help either.
>> I sprayed starting fluid and it fired and ran for a moment until the
>> spray went away. If it was electrical it would not have run. Since
>> it ran on the starter fluid, it must be the carb,,, right? I am
>> assuming that maybe a jet is plugged. Am I heading down he right
>> path?
>>
>> Thanks
>
> Wet spark plug spells either too much gas, OR, not enough air. Clean and
> oil the air filter first, then work on the gas thing end if not successful.
In the spring time it usually means gas in the carb is so old it won't
even burn.
--
Art
> It didn't want to start this season. It has good fresh fuel and I
> tried a new plug.
> When I pull the cord there is nothing. When I pulled the plug it was
> wet so I assumed that was the problem. DIdn't help either.
> I sprayed starting fluid and it fired and ran for a moment until the
> spray went away. If it was electrical it would not have run. Since
> it ran on the starter fluid, it must be the carb,,, right? I am
> assuming that maybe a jet is plugged. Am I heading down he right
> path?
> Thanks