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HP4S
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SportsterDoc Offline
High Mileage

New Mexico
Posts: 1,447
Joined: Nov 2017
Post: #1
HP4S
Honda parts may be expensive, but their lubricants are competitively priced.
Been researching Honda HP4S pure synthetic as an alternative to Castrol Power 1.

It appears to only be available in 10W-30...but maybe this brochure is not up-to-date?

https://powersports.honda.com/documents/...micals.pdf

If that is correct, and if I continue with Honda oil, the debate is synthetic 10W-30 versus GN4 10W-40 for 115F + ambient.

23 Guzzi V7 SE 23 Yam XT250
18 Yam Bolt 22 Triumph St Twin 20 CanAm Ryker
14 Honda CB1100 18 Yam XT250 16 Guzzi V7II
17 Yam TW200 12 Triumph Bonnie 02 Sportster 1200S
03 Sportster 883 76 Honda CB750F 75 Honda CB360
70 Yam CT1 72 Yam CT2 72 Yam AT2
70 Honda SL350 70 Honda CL350 67 Honda CL160
67 Honda CB16062 Honda CA110
11-19-2017 09:39 PM
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stateboy Offline
1st Service Completed

SW Michigan
Posts: 187
Joined: Feb 2017
Post: #2
HP4S
The brochure shows it to be a Spring 2008 publication.
11-20-2017 04:03 AM
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SportsterDoc Offline
High Mileage

New Mexico
Posts: 1,447
Joined: Nov 2017
Post: #3
RE: HP4S
(11-20-2017 04:03 AM)stateboy Wrote:  The brochure shows it to be a Spring 2008 publication.

Yep, have you seen a newer one?

23 Guzzi V7 SE 23 Yam XT250
18 Yam Bolt 22 Triumph St Twin 20 CanAm Ryker
14 Honda CB1100 18 Yam XT250 16 Guzzi V7II
17 Yam TW200 12 Triumph Bonnie 02 Sportster 1200S
03 Sportster 883 76 Honda CB750F 75 Honda CB360
70 Yam CT1 72 Yam CT2 72 Yam AT2
70 Honda SL350 70 Honda CL350 67 Honda CL160
67 Honda CB16062 Honda CA110
11-20-2017 09:32 AM
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stateboy Offline
1st Service Completed

SW Michigan
Posts: 187
Joined: Feb 2017
Post: #4
RE: HP4S
(11-20-2017 09:32 AM)SportsterDoc Wrote:  
(11-20-2017 04:03 AM)stateboy Wrote:  The brochure shows it to be a Spring 2008 publication.

Yep, have you seen a newer one?
I have not (but I have looked for a newer one).
11-20-2017 12:55 PM
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