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Old 08-05-2018, 05:26 PM
Aussieflyer Aussieflyer is offline
 
Join Date: Jan 2015
Location: Redcliffe, Queensland, Australia
Posts: 55
Default Slow Cranking

Since new the starter motor on the IO390 starts cranking very slowly, often having trouble getting the engine through the first compression. Once through the first compression it commences to spin up normally.

I contacted Sky Tech and they assured me the starter motor is adequate for the job. I purchased a new Odyssey Battery and had it fail three weeks later with a complete cell breakdown. The replacement battery lasted three months before breaking down. The distributor is now arguing that the Odyssey @ 170 Cold Cranking Amps (CCA) is too small and the load used for starting is destroying the battery and I should get a bigger battery and they wont warranty the current battery.

The battery case supplied by Van's will only allow one size battery fit. Perhaps builders should consider manufacturing a battery box that has some flexibility in sizing. The battery shop showed me an AGM battery about a quarter of an inch wider that had over twice the CCA of the Odyssey and asked why we didn't use that battery?

Has anyone tried a Lithium? What would I need to do to install a lithium? Are they safe in the engine space of the 14?

Alan
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