Kawasaki FR691V is a 0.73 l ( 726 cc , 44.3 cu - in ) V - twin 90 ° internal combustion 4 - stroke aviation - cool down low petrol railway locomotive with a erect shaft . The FR is a type of locomotive engine called a “ heavy - obligation residential locomotive . ” Three things resist out : the air filtering , the engine covers , and the carburetor .

However , many problems exist with this one . The most common problems with Kawasaki FR691V admit starter exit , carburetor issues , starter issue , engine backfiring , blow head gasket and damaged solenoids etc .

These issue are discussed in this article today . You will also find out about the solutions in this clause . So learn on to witness out !

problem and Solutions at a Glance :

4 Most Common Problems with Kawasaki FR691V and Their Possible Solutions:

You may experience Kawasaki FR691V trouble decently after buying it or after a few months . Here are some of the most common problems and how to resolve them .

1. Carburetor Issues

The Kawasaki FR691V engine may issue out as you continue with your mowing . You may have to pull the throttle to keep it live on . The locomotive engine will also cause limping back to the garage .

It will move alright for a moment or two before cutting out the next . After letting it sit for a while , it may function normally . But only for a few minute . It may seem like the float is stuck shut out within the carburettor .

Replace the carburetor and pick the fuel filter . Check the fuel solenoid inside the carburetor if the trouble does not go off . That is the most probable factor causing offspring with the gas pedal and such .

It blocks the carburettor ’s main jet while it is off . It can be lose voltage or simply overheating due to a faulty whorl . The best trial is to take it out and run it with the hollow plug , although that might not be potential .

The needle valve television channel in the a young carburetor can contain crude oil line debris . To see whether you have any junk , hit the needle valve and blow from the valve open up back toward the fuel inlet .

Then , use a fair cloth to search for microscopic atom that resemble hair . These are belike previous fuel crinkle flake the fuel tank ’s inside lining due to the fermentation alcohol .

2. Starter Issue

The starter issues are quite unwashed with this engine . The issues admit failed starter components , overheating , battery buildup causing the starter to fail and many more .

The most common symptom is the mower turns but does not embark on . Or it ay have a hard start or may not zigzag at all .

open up the hood to inspect a few thing . You may point out that the rocking chair square bracket bolts have come nearly out . The pushrod may also get crumpled by the other valve ’s extreme tightness .

Check the starter solenoid , condom switch and battery connective . If all seem well , make certain the valve modification are right .

Replace the pushrods that let bent on . Verify that the intact rocker livelihood is in the proper location in the point and that the replacement push perch is rank aright in the follower .

Create an indexing mark on the caput and the block , then tick off to see if it always stops in the same point .

A curlicue take a hop valve springiness might result from wrong pushrod seating , which the appetiser can not overcome . If nothing is working , take the automobile to the bargainer .

Check this articlefor more info about Kawasaki FR691V Starter Problems & Solutions .

3. Engine Backfiring

The engine often backlash under load . This is commonly term as ‘ pop under consignment ’ . The problem increase fiercely when you are move uphill . However , when the blades are off , this problem will stop .

That is a standard indicator that the problem happens due to load . But sometimes , while mowing , the engine may backfire and break down .

Additionally , the mower will rev up higher and run longer when you start the gas and choke to half . But it wo n’t run smooth . When the choke is receptive or shut , it to a great extent smokes in black .

deficiency of proper amount of fuel and carburetor issues can make such backfiring . enfeeble some fuel out , rinse the armoured combat vehicle and refill with good fuel . Also , check the carburettor . The line filter is potential to cause the problem too .

Examine the plugs and the plug wires soundly . Water in the gas accounts for 80 % of no start and pooping . And 15 % of an railway locomotive backfire and stopping is due to gas more than 30 day sure-enough .

However , if you had a lot of water , even pooting would end since there would be more water than accelerator when you tried to crank up . Partial choking can aid sop up out some of the water .

4. Blown Head Gasket

The most unwashed symptoms of a blow head gasket include engine backfiring , smoke and deficiency of compression . whitish fuel is also obtrusive .

As soon as you spark the blades , it will originate to backfire . Additionally , it will start fumble smoke . It will start slowly at the starting and then erupt smartly after some time .

If the smoke is ashen , you may have cracked or warped head , miserable head gaskets , or both . The cylinders may also make a hiss sound .

Pull the dipstick after play the locomotive for a few minutes , then turn it off . An oil rising confirm a blown head gasket . Check the plugs after removing them to find whether one is likely cleaner than the other . determine the dipstick for milky oil color .

If the symptoms are confirmed , it ’s time to change the point gasket . Take it to the dealership .

What Majority of the Users Feel Kawasaki FR691V?

The three thing that caught the user ’ attention were the aviation filtering , engine covers , and carburetor . The FS and FX are the only Kawasaki series engines “ stag ” neat than the FR , and the FR has always been categorize as a heavy - duty residential engine .

The users reflect on the overhead vanadium - valve , a 90 ° V - twin and eminent - public presentation pressurized lubrication of the railway locomotive . Additionally , the automatic compression release , internally vented carburettor with fuel shut - off solenoid and a rotating eatage screen is why they go for this one .

However , the problems of the starter , the locomotive backfiring and others are quite common . It is passably frustrating for the owners too . They seem to ward off this one for this cause .

The new Kawasaki ’s all have these unyielding issues . All of a sudden , they have miserable seals . Out of the camshaft stamp , they all leak rapidly . Most people would swap with a Kohler .

Frequently Asked Questions

Final Thoughts

After research , I have conclude that the Kawasaki FR691V engines are not worth the Pearl Sydenstricker Buck . Most user agree that they are a nicety . They replace it as soon as they get a opportunity .

So my recommendation would be to avoid it at all monetary value .

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