does anyone know if i swap out my f2 for an f3 engine with out to much trauma.i was told they were virtually identicle harnesses and all.the only diff being cams in the f3 were a little hotter.i am going to buy a used motor for a race spare.
heres the ticket. i have a 96 f3 with a 94 f2 motor in it. ready for the
the motor bolts up. you have to use your 96 carbs since they have
a tps sensor. the other difference between the carbs are 2mm larger for the f3. also the f2 motor doesnt have the sensor for the speedo
that the f3 does.[im not running a speedo] all the electrical connectins
are the same except one color connector but wires are the same.
your will have to use a 96 air box. the exhaust works. ignition advancer is the same
between years. the spark unit is the same. everything is the same. but you will
have a problem with tuning. i had to get my rejetted small. my carbs originally had
140's or so in them when the guy was done he installed 122s[i think i know theyre
in the 120s] and there is a valve on the back of a f3 airbox that is controlled by
the speedo. youll have to take out the internals and bypass the the high valve to
full open and set the low valve to semi. my bike has a decent pull range on it.
from idle to 2500 nice 2500to 2900 a little flat[thus the valves] from 3k up to 11,800
the bike pulls steady no dropping. it makes 87.7 at the wheels which is around 100hp at
crank[in the neighborhood]this is with a full d&d pipe, and ignition advancer.
hope this helps
also on the f2 motors they have a vaccum feed fuel setup. and the f3 carbs have a coolant line going
into them from the water pump. to help atomize the fuel and air mixture when it is cooler outside.
I've got cbr900rr carbs on my mk1 rabbit gti. It's got a 16v swap.
I am currently running 160 mains and 42 pilots. Mixture screws are 4 turns out already and I still idle very lean. 19:1 afr. Its rich everywhere else though. If I give it throttle itll jump to 12:1 and cruising is around...
So I have a little story. Not so long time ago my bike was stolen and I was already lost all belief to find it. But one morning I got a call from the police and they found it!!! That morning was like a little Christmas for me. So I got my bike back and know I learn from my lesson and I got one...
Hello I have a mitto and I want to convert the most popular option is the rd350, I've been looking at the ktm rc390 I was wondering if anyone had any information or tips on how to find out if the engine will fit the frame ???
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