VFR750F-L Race bike: Engine assembly with a broken ankle

Budget saving ! SPECIFICATION SO FAR

VFR750F-l 1990
lightly ported heads
polished valves, valve seats re-ground
standard valve and ignition
stage 4 jetting....! can you get stage 4 one asks..,,scrounged from my highly tuned cbr 640 jelly......nope.........back to standard at the mo! + spare carbs with 135 mains, 1mm needle spacer, 2 turns pilot( yet to be tested!)
stainless RC30 style exhaust ( + cheapo viper can replaces ...retired...Micron carbon noise meter hater),
Nitron 3 way shock with ride height adjuster..set to my weight
Complete cbr954 front end, altered lock stops
hyperpro fork springs and fork oil
one off rear steal subframe to hold seat unit.
standard rev counter cut from original dash.
PIRacing GPS laptimer
multi adjustable front brake lever, 5yr guarantee!
Front perimeter frame cut and shaped to fit Suzuki Tlr nose cone.
braided hosing all round...scrounged from my cbr
standard rear wheel
Gearing as its stands is 14 front, 45 rear at the mo
Tyres : Mich 2ct....only what I had lying around to wheel it about...Metezler racetec slicks.

all tweaking twirling tuning done by yours truly.

Things I would like to do / pie in the sky thoughts:
get a spare engine without any broken/seized bolts
830 kit....logical...wouldnt like to do the honing/boring
convert to FI
variable inlets
serpent headers exhaust
junk the rear single arm..heavy beast it is
fancy front brake master cylinder
rear sets
smart small battery
aluminum rear sub frame,
remove flywheel , total loss system

VFR750F-L Race bike

Sunday, 14 September 2025

Engine assembly with a broken ankle

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