Break in Time.
Mar 23, 2000 | 10:49 AM
#2
Pro Rider
Joined: Sep 1999
Posts: 906
Likes: 1
I was told to keep it under 1/4 throttle for 2 tanks of gas then gradually start opening it up after the 4 th tank of gas change the oil and then you can really open it up
Thats what a honda dealer told me to do does anyone else have any other suggestions
Thats what a honda dealer told me to do does anyone else have any other suggestions
Mar 23, 2000 | 05:49 PM
#4
Trailblazer
Joined: Aug 1999
Posts: 55
Likes: 0
Here's the deal:
Tank #1. Do not hold at constant engine RPM. Always move the throttle around.
Tank #2. Beat your 400ex loudly. It wants it.
Change oil.
It's a Honda, for Pete's sake. 4 tanks under 1/4 throttle? C'mon. You probably don't even need to break it in. The best way to do it would be to put the smack-down on it over a motocross track. It's not a damn Polaris.
Tank #1. Do not hold at constant engine RPM. Always move the throttle around.
Tank #2. Beat your 400ex loudly. It wants it.
Change oil.
It's a Honda, for Pete's sake. 4 tanks under 1/4 throttle? C'mon. You probably don't even need to break it in. The best way to do it would be to put the smack-down on it over a motocross track. It's not a damn Polaris.
Mar 23, 2000 | 06:44 PM
#5
Pro Rider
Joined: Aug 1999
Posts: 202
Likes: 0
Use conventional oil during the first 30 or so hours. Only then should you consider using synthetic oil.
Synthetic oil performs so well that rotational surfaces may reach their polished stated before the "bedding" process is complete. Bedding is the process where normal imperfections betweeen mating surfaces (crankshaft to rod bearings for example) are worn away. When synthetic oils are present during the break-in period, these surfaces will often wear to their final polished state with the imperfections still present.
If you want to make a perfect engine, you'll have to make it in outer space away from gravity.
Synthetic oil performs so well that rotational surfaces may reach their polished stated before the "bedding" process is complete. Bedding is the process where normal imperfections betweeen mating surfaces (crankshaft to rod bearings for example) are worn away. When synthetic oils are present during the break-in period, these surfaces will often wear to their final polished state with the imperfections still present.
If you want to make a perfect engine, you'll have to make it in outer space away from gravity.
Mar 28, 2000 | 08:08 AM
#7
Pro Rider
Joined: Mar 2000
Posts: 624
Likes: 0
the honda dealer i deal with over here in NZ and i both came to the same conclusion......
running any honda in: drive it like yah stole it
if not it will always be slow, this threoy only applys to hondas though, not recommended on other makes. my 250x is like that......good bike.....still original engine
we ran my '90 300 4x4 in the same way...did 8500hours before sale (it was a dairy farmers bike- did a lot of idling following cows, an heaps of towing), did one set of compresion rings, reconditioned both diff...we adventually wrote it off....hit it with a digger stacking forage crops..fixed it...still going!!
running any honda in: drive it like yah stole it
if not it will always be slow, this threoy only applys to hondas though, not recommended on other makes. my 250x is like that......good bike.....still original engine
we ran my '90 300 4x4 in the same way...did 8500hours before sale (it was a dairy farmers bike- did a lot of idling following cows, an heaps of towing), did one set of compresion rings, reconditioned both diff...we adventually wrote it off....hit it with a digger stacking forage crops..fixed it...still going!!
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