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MAKITA DCS5000 WILL NOT START .


elfinwood saws
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Hi i,m having problems trying to start a Makita DCS5000, it,s got 170 psi compression, it,s got fuel and it has a good spark. Every 25/30 pulls it may cough or a little backfire. Woodruff key is ok on the flywheel.The original flywheel snapped it,s key and i,ve replaced it with a good flywheel, perhaps it backfired and snapped the key, like the timings wrong. I,ve tried a  different coil and it,s still the same, both coils have a good spark, the saw is a non runner that i bought.

I,m thinking the coils may break down under compression or some how the timing is wrong.

20180915_120601[1].jpg

Edited by elfinwood saws
missed out some info.
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Firstly check that the flywheel and coil are a correct pairing with your crank. Makita and some other manufacturers like to swap the flywheel and coil combinations so worth checking all are all the correct parts otherwise you may have some weird ignition timing.

Other than that, if the spark and compression is good, make sure the needle valve in the carb is holding pressure OK as if it is leaking, the saw will have fuel but just won't work due to it not supplying the correct amount of fuel.

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  • 2 months later...
Got the makita 5000 running great, i put all the makita 5000 parts onto  dolmar 5105 crankcases and tank, then it started first pull!!!
I never used any parts from the dolmar 5105 that you sent me Andrew, so now i have a Dolkita.
48355642_10217548052236271_7128977577657499648_n.jpg.3093e4f90549aa9fb6828397c5fcfe1f.jpg
48052387_10217548053596305_3872444137294790656_n.jpg.8ba7055f05e635ebb868c4d204e5dbda.jpg
47580903_10217548060796485_8714176352216940544_n.jpg.4988621ca10077bf40fd3b146838392a.jpg
Excellent! Any idea what was wrong with it?
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