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Is there an uprated starter motor for the 2013-2015 KTM 250 SX-F.

We have recently fitted a higher compression engine and are having major problems with the starter. Have changed it for a known good spare but it still does not have enough grunt to spin the engine over. Have also changed the battery for a higher output unit but with no improvement.

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SOURCE: engine won.t turn

hi can you turn engine over by hand [engine s not sezied ] and how did you test the battery and how did you test starter because if the engines not seized and you put a jump lead from your positive terminal off a good battery to a starters main terminal and it wont, turn over the starters faulty or there is no engine earth so connect the other jump lead from the negative battery teminal to the engine block and try again it will turn over if the starters good if the starter turns over with the jump leads check the small terminal on the starters wire is live when someone turns the ignition key if it is and the starter does not turn over then the soleniod on the starter is faulty if no live at small terminal then the ignition switch or starter relay are faulty best of luck yates2104546

Posted on Oct 14, 2008

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SOURCE: 1995 nissan 200 sx will not start

check for a live feed to the low tension wire at the starter when a second person operates the ignition key. if no feed check fuses relays and then back of the ignition assembly. has it got an after market alarm fitted that may have gone faulty and has shut down the starting circuit. if so you need to find the wiring that it has been linked into and rejoin the original wiring back together.

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SOURCE: high oil consumption on 2001 Toyota Highlander- 3.0 V-6 engine

If you are using that much oil you either have a BIG leak or your BURNING oil through bad rings

Posted on Jun 09, 2009

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SOURCE: 1995 VW polo 1300cc -no start, engine not turning

CHECK STARTER RELAY AND FUSE.REPLACE BATTERY CABLES IF YOU HAD THEM FOR A LONG WHILE.BECAUSE GROUND CABLE COULD BE BAD.TURN OFF RADIO FIRST BEFORE REMOVING BATTERY CABLES SO YOU WONT LOSE RADIO CODE.

Posted on Apr 21, 2010

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Hi, I have a 2009 Husqvarna TE 250, spec states the engine as 12.9:1 compression ratio. The question I have, is what octane fuel rating is recommended for this bike? Thanks, Rob


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surely you know your starters normal sound, no?

.25 means 250 rpm (dial .25x 1000 = 250)
Most cars do near 300, but gee, in alaska its less and starts. so....
there are vast reasons for non starts.
from water in a cylinder
to weak battery.
weak spark
bad fueling (excess or not enough)
to never doing a tune up ever, that you?
This car has OBD2, if a scan tool is attached, you can
check to see if water temp, is the same as outdoors, on first start.
if the temp shows, say -20F at 70F outdoors, the ECT is bad.
this would cause flooding.
what can you do, plenty of willing to own tools, are you. or do you like to guess?
compression good.
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put in new spark plugs, using under hood sticker stated gaps.
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(too much or too little) ill stop here, but you can see where im going.

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The RX8 has always been a bit problematic at starting, at least until Mazda started fitted uprated starters (~2006). The standard, weak starter motor spins the engine quite slowly, causing problems getting compression to start the engine.

There's various things to try...

DON'T pump the gas whilst starting - foot OFF the accelarator (might be beneficial to depress the clutch just to reduce the loading on the starter motor). Check all the RX8 owners' forums - standard advice.

DO use a confident turn of the key - keep cranking until it catches (but not for more than 10 seconds - in which case leave for 10 seconds before trying again) - don't just crank for a second or two, then retry. That's as per owner's manual.

DO ensure that you leave the engine to warm up ALWAYS before shutting off - to avoid fuel being left in the rotor - that affects compression badly if left any period of time, resulting in very poor starting (risk of flooding).

If non of the above helps, get a hot-engine compression check to ensure that the engine isn't shot. If the engine is okay, then consider getting an uprated starter motor, or 3rd-party replacement. Many 2004/2005s have had their starters replaced (I considered mine, although I've had no problem over winter :)


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