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Max Online: 36273 @ 01/23/13 02:34 PM
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#11341075 - 01/12/16 10:01 AM Yamaha HPDI and HPDI series 2
Robbie Milam Offline


Registered: 01/31/07
Posts: 5932
Loc: DFW
Can someone please let me know the difference between these two motors?
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#11341379 - 01/12/16 12:40 PM Re: Yamaha HPDI and HPDI series 2 [Re: Robbie Milam]
boatman025 Offline
Angler

Registered: 07/16/10
Posts: 387
Loc: McKinney
oil pump, pistons mainly
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#11341932 - 01/12/16 05:23 PM Re: Yamaha HPDI and HPDI series 2 [Re: Robbie Milam]
wkh2006 Offline
Outdoorsman

Registered: 04/22/10
Posts: 217
Loc: Atoka, OK

Series 2 has:
#1 Newly Designed Pistons
#2 New ECM
#3 Re-calibrated Oil Injection Schedule

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#11342006 - 01/12/16 06:16 PM Re: Yamaha HPDI and HPDI series 2 [Re: Robbie Milam]
ssmith Online   content
Extreme Angler

Registered: 11/22/07
Posts: 2516
Loc: scotland tx
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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