Question about Craftsman 17.5 hp 42 in. Deck Lawn Tractor - CA Model

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Fuel problem? I have a craftsman rider with a 21.5 Briggs INTEK engine model#407777 that seems to be starving for fuel after I run it for a while. I see a round black plastic thing in the gas line that is stamped Mukini is this a fuel pump? I have already cleaned the tank and replaced the gas line. Muffler bearings seemed fine to. HA HA, any Ideas would be helpfull. Thanks Mike

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Mukini does make inline fuel pumps. If there is a wire going to it then it is more than likely a fuel pump. I would replace the fuel filter, and air filter. I would also purchase a can of Seafoam cleaner at most auto parts stores. Pour in the correct amount in the fuel tank, as listed in the directions on the can. I have seen this work wonders on small engines with fuel problems.

Posted on Sep 07, 2009

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What is the compression lbs for a 18 hp brigg/stratton intek engine


Not sure where to get compression pounds for this, but let me refer you to the Briggs website for detailed product specs and power curves.
Intek can be twin or single sylinder.

For Twin....
http://www.briggsandstratton.com/us/en/engines/rider-mower-engines/intek-series-v-twin

For single....the are in 1/2 HP ratings but the link is below....
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If further detail is required, I will need the model type and trim found on the valve cover.

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If you do not want to do a teardown/cleaning of the carb, I'd suggest a SMALL dosage of fuel system cleaner added to the fuel.

If you suspect air intake leakage, spray some carb cleaner around the intake manifold area and determine if the engine smooths out when sprayed.

KEEP YOURSELF SAFE and do this OUTDOORS!

Hope this helps.

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