Called several shops about clutching.
Most say 7950 to 8000
A couple say 7900 plus minus 50.
What do you say?
Most say 7950 to 8000
A couple say 7900 plus minus 50.
What do you say?
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7971 rpm on the dot no more no less!
Here. RPM, horsepower, torque stock 850.
peak power is 7950...
tach accuracy??
7900-8100 observed (never use recall) on a climb...
use back/back testing to verify if YOUR sled likes a certain TACH rpm...
-BJ
Ive talked to several clutch shops ... most say 7900 plus minus 50 is ideal
Very few have said 8000
Ive talked to several clutch shops ... most say 7900 plus minus 50 is ideal
Very few have said 8000
then they havent spent much time on a 850...
honestly, very few summits like 7900...
hot pipe, tach error (usually high), long pull, good can 8000-8100 is common-BJ
So how much tach error is in the 850 meter?
IS it "normal" amount of error?
Drive an economy vehicle for work ... MPH is off by 2-3 mph showing better gas mileage plus more distance driven to jobsites.
Trials; Dont be shy to rev that sucker to 8000 rpms and let it bog down to 7900 on its peak. If you see 8050, then add another ½ gram and that will be about it. From that point on the engine will tach at 8000 and pull down right on 7900 then float around 7900~7950.
If you see 7850 full throttle, then pull a ½ gram out and the engine should tach at 7900~7950 and float around there.