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Member
i just got my bike all togther. it seems to run great but when i am at a low speed in a higher gear and get on it, the engine starts pinging. ive pulled my plug and it looks good. im running 92 octane right now.... should i jump up higher or is my problem elsewhere
2004 400ex
426 11:1 wiseco piston
hotcam stage 2 cam
fmf pipe
K&N air filter
EBC clutch
ITP Holeshot rear tires
tag handle bars
2005 Banshee
CPI pipes
V-Force 3 reeds
K&N filter
Cool head 20cc domes
Make my F@ckin day punk
Running my 416 for the past 2 seasons I always mixed a 50/50 ratio of 91 pump and 110 leaded for an average of 100 octane. Seemed to run real good. No problems. I hear you can "get by" on pump 93 but I didn't build my motor to just get by. Give it some of the good stuff.
Glamis
NEW RIDE.....
Houser Framed '02 CRF450 Hybrid. Powdercoated gold, chrome Houser sub-frame, Houser +4 no-link swingarm, +2 houser a arms, Houser stem, Tag T2 bars, +4 Dominator2 axle, Elka rear shock, Fox Float front shocks, Hardkore hubs, Dream waterpump cover, Dream clutch cover, Fullbore plastic, AC Pro-pegs,braided brake lines, and more....
Registered User
You need more octane. I detonate (ping) on 91 with a 10.8:1 under high load conditions.
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