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Yamaha HPDI and HPDI series 2 #11341075 01/12/16 04:01 PM
Joined: Jan 2007
Posts: 6,087
Robbie Milam Offline OP
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Can someone please let me know the difference between these two motors?

Re: Yamaha HPDI and HPDI series 2 [Re: Robbie Milam] #11341379 01/12/16 06:40 PM
Joined: Jul 2010
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B
boatman025 Offline
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oil pump, pistons mainly


Hughes Marine
3855 Osage Lane
Wylie ,Texas
Re: Yamaha HPDI and HPDI series 2 [Re: Robbie Milam] #11341932 01/12/16 11:23 PM
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wkh2006 Offline
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Series 2 has:
#1 Newly Designed Pistons
#2 New ECM
#3 Re-calibrated Oil Injection Schedule

Re: Yamaha HPDI and HPDI series 2 [Re: Robbie Milam] #11342006 01/13/16 12:16 AM
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ssmith Online Content
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the failure rate is not much different than the series 1 if you don't change all the fuel filters every 100 hrs.

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