2005 Honda CRF 450 R - Answered Questions & Fixed issues
Oil service
Engine after draining: 660cc
Engine after draining and filter change:690cc
Honda HP4 Synthetic 10/40
I would like to print
go to this website... Gabes playhouse tell him what you need.. he will post it for you ... tell him "KAOS" sent you..
Clutch cover seal
Verify you have the correct seal. Honda has been known to make some mistakes.
Does it matter what kind of brake fluid i use?
Well, the manufacturer calls for DOT 4.
You can however choose to use DOT 5.1 (which is not a silicone based product,like DOT 5 fluid). The 5.1 is a replacement for DOT 3 or 4 applications, but it's
pricey because it has a much higher temperature breakdown point.
If you would like some good bedtime reading about brake fluid and the various uses and reccomendations, take a look here (Interesting if you really want to get in depth knowledge):
http://www.stoptech.com/tech_info/wp_brakefluid_1a.shtml
2007 CRF 450 R- from
This can only be lack of fuel for some reason backfire is nearly always lean fuel condition and the cut out pretty much confirms lean or no fuel?
I would be checking the size of main jet (they numbered) double check it is factory size?
I would check the needle clip position god knows why but people change the position so double check it is factory setting (usually 3 or 4 notches from top is factory setting I forget which one it is for Honda's)
I would double check your air filter is clean and/or not oil drenched
refer to your manual or ring your Honda dealer for all the specs
Some other possibilities would be
spark plug fail at high load (but unlikely?)
stator failing at high RPM ( unlikely but worth the two minute multi meter test to make sure resistances is still in spec)
good luck regards Jamie
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