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View Full Version : Honda HP4 10W-40


TRFOXX
12-10-2001, 01:22 PM
What's the deal with this oil? Everyone on this sight says it's no good, but when I ask Honda dealerships they say thats what I should run in my 400ex. Its starting to get colder here in Ohio finially so should I run 20W-50? Just thought Id ask to try and clear this up, since its time to change my oil again. HP4 10W-40 is the only oil that I have used since I bought the machine new 7 months ago. Let me know what you think!
RideRed400EX
12-10-2001, 01:28 PM
The HP4 doesn't have the stability characteristics of todays other synthetic oils for motorcycles, not only that but it's damned expensive! I always use 20W-50 even during the winter (just make sure the bike is properly warmed up).

Two words as to why the dealer pushes the Honda oils - Profit Margin...
crday98
12-10-2001, 11:25 PM
Originally posted by RideRed400EX
Two words as to why the dealer pushes the Honda oils - Profit Margin...
you hit the nail on the head.the honda oil is crap,cut and dry.it breaks down too easily,in return you have to buy more oil because you have to chance it more frequently.of course they would suggest it is best:grr
TRFOXX
12-11-2001, 08:27 PM
So what oil would you recommend to me and weight? I dont like Mobil 1 I saw what that did to my LT250R
Keep in mind that this machine is only 7 months old and has only had HP4 in it since new!
12-11-2001, 10:15 PM
stay with the honda hp4,i think it's good oil andi'd run the 10w-40 in the winter
crday98
12-11-2001, 10:31 PM
Originally posted by TRFOXX
I dont like Mobil 1 I saw what that did to my LT250R you blame Mobil1 for screwing up your 2 stroke???????
TRFOXX
12-12-2001, 07:25 AM
It made my clutch slip, and it would turn grey only after a few rides. I was told that was the oil to buy and use, but ever since I started using it is when the problems began!
JEFF8400EX
12-12-2001, 07:31 AM
IF IT WAS TURNING GRAY YOU HAD WATER LEAKING IN THE SYSTEM. I USE AMSOIL I THINK IT IS THE BEST
RideRed400EX
12-12-2001, 10:14 AM
Buy Mobil 1 MOTORCYCLE oil from Walmart (Super V-Twin, 20W-50). Amsoil is too expensive if you change your oil regularly.

Honda makes good bikes not oil.
JEFF8400EX
12-12-2001, 10:45 AM
NOT TO EXPENSIVE WHEN YOU GET IT FROM YOUR SPONSER. GO AMSOIL ALL THE WAY NOTHING BETTER
TRFOXX
12-12-2001, 02:09 PM
Is there a certain weight/kind in the Amsoil that I should get? How much more is it than the HP4? Thanks I might start using it.
JEFF8400EX
12-13-2001, 06:07 AM
10w 40 or 20w 50 both work good. it is about $6 a quart i swear by it.
12-14-2001, 12:02 PM
I use quaker state in my 300ex as well as in my r6.
12-14-2001, 01:32 PM
nice bike bro. i hope to get a street bike soon. cbr 929 baby!!