There is no 1983 Honda VTX. The VTX badge didn't exist until the VTX1800 in 2001 — what's actually listed is a VT250F2 Integra: Honda's 90° V-twin screamer with the inboard front disc and the red zone starting at 12,500 rpm.
Six speeds, chain final drive, primary reduction 2.821, final 3.214 (14/45), 110/80-18 rear. That gearing puts the engine at ~7,300 rpm at 100 km/h in top gear and ~8,100 rpm at 110 km/h — roughly 58–65% of redline just sitting at the speed limit. It's a 250 that lives high in the tacho, which is normal for this engine and exactly why it feels busy on the highway compared with a 500.
| Speed | 6th gear | 5th gear | % of 12,500 redline (6th) |
|---|---|---|---|
| 60 km/h | 4,400 | 4,900 | |
| 80 km/h | 5,900 | 6,500 | |
| 100 km/h | 7,330 | 8,160 | |
| 110 km/h | 8,060 | 8,970 | |
| 120 km/h | 8,800 | 9,790 | |
| Top speed (claimed) | ~11,600 | — |
RPM figures are calculated from the factory ratios and tyre circumference, not from a tachometer reading. Real numbers will drift a couple of hundred rpm with sprocket changes and tyre wear.
Honda built this engine to beat two-strokes at their own game. Peak power lands at 11,000 rpm and the tacho keeps going into a red zone at 12,500. Period road testers wound them to nearly 14,000 rpm and reported no vibration — the 90° V layout cancels primary imbalance.
In top gear that puts the theoretical gearing limit at 171 km/h at 12,500; drag runs out around 160 km/h first, so on a real road you never reach redline in 6th. You will in 3rd (111 km/h at redline) and 4th (133 km/h).
80 km/h in 6th is 5,900 rpm — below the torque peak, so roll-on is flat and it wants a downshift. The happy zone is 8,000–12,000. This is not a lazy highway bike; it's a small-capacity sport bike that happens to be legal to learn on.
QLD LAM scheme: an RE licence covers production motorcycles up to 250 mL (almost any model) except the Suzuki RGV250, Kawasaki KR250/KR-1/KR1s, Honda NSR250, Yamaha TZR250 and Aprilia RS250, which exceed the power-to-weight limit. Bikes from 251 to 660 mL must appear on the approved list, and no LAM bike may be modified. The VT250F is 248 mL and not on the 250 mL exclusion list, so it should be LAM-legal unmodified — still confirm the individual bike with TMR's registration check before you buy.
These are the failures owners and workshop threads actually report on the VT250F/MC08 family — not generic old-bike warnings. Check them in this order when you inspect.
Mounted behind the engine, in the hottest, least-ventilated spot on the bike. They overheat, stop regulating, then either boil the battery (overcharge) or stop charging. On a 40-year-old VT this is the single most common electrical failure.
The tensioner is the weak point of the whole VT family. It goes soft with age, the chain slaps, and if it's ignored long enough the timing jumps. Parts are still gettable; labour isn't cheap because it's a V-twin with two heads.
The collector box under the engine rots from the inside out. Genuine replacements are gone; used ones are usually halfway there too. A holed collector makes it loud, lean and unrideable in traffic.
CV diaphragms perish and there is no reliable supply of new ones. The carbs are awkward to remove and refit, and the airbox is famously tight in the frame. A bike that's been sitting is the worst case.
Rare 1980s Honda system: the disc sits inside the wheel and the pads grip it from within. It works and it's easy to service — but pads and discs are unique to these years and the feel is wooden compared with a modern disc.
The fuel tap is vacuum-operated off one carb. The rubber diaphragm perishes with age and ethanol fuel; symptoms range from fuel starvation at high rpm to fuel leaking past the tap into the engine when parked.
The engine holds a lot of heat and owners report crankshaft bearing damage when oil level or quality is neglected. Not a design defect so much as a consequence of 12,000 rpm and 1980s oil.
Bushes and collars wear and the back end starts to move. Cheap parts, fiddly job, and it's often the reason an old one feels vague in corners.
Plastics, trim and switchgear are long discontinued — used Japanese stock via Webike is the main channel. The 16-inch front and 18-inch rear sizes are getting thin on the ground in Australia too.
Drawn to the bike's real contact points: seat 780 mm, pegs 340 mm, bars about 957 mm above the ground, 1,385 mm wheelbase. Your joint angles are calculated from standard anthropometric ratios for a 1,870 mm rider — thigh 0.245×height, shin 0.246×height, torso 0.288×height — so treat the posture as a good approximation rather than a measurement of you.
A 1,870 mm rider carries roughly an 840 mm inseam. The seat is 780 mm, so both feet go flat with knee bend to spare at every set of lights. On a 780 mm seat you are not tip-toeing — that is the one thing tall riders usually worry about on small bikes, and it's a non-issue here.
Seat to peg is short, and the pegs sit high and rearward. That gives a knee angle around 70° and a hip angle of 62° — noticeably tighter than the 95–110° that touring ergonomics aim for. It's fine for a 20-minute blast; at an hour your hips and knees will complain before your backside does.
The screen tops out at 1,190 mm; your helmet will be about 1,585 mm — roughly 395 mm above it. The Integra fairing protects your chest and hands, not your head. At 110 km/h you are the barn door, and the 35 PS engine has to push it.
Practical consequences: mirrors sit below your eyeline so you look over them (no blocked view); your knees will grip the tank hard, which is good for control; and the 32° forward lean with a 99° elbow is comfortable — the arms are the least of your problems. If you buy it, plan a stretch stop every 45–60 minutes.
Mechanically this is a genuinely interesting little bike — a 90° V-twin that revs to 12,500 with a hydraulic clutch, single-shock rear and Comstar wheels, in 1983. As a learner-legal classic that isn't a CB250, it has more character than anything else in the price bracket.
The catch is the shape of the ownership, not the bike. It's a 43-year-old, low-volume, fully-faired Honda with a weak charging system and discontinued plastics. Expect to spend the first few months sorting electrics and consumables, and shop from Japan for anything cosmetic.
At $2,200 a running, registered, cosmetically tidy Integra is fair money. At $2,200 needing a regulator, tyres and a cam chain, it's a $3,000 bike pretending to be a $2,200 one. The difference is an inspection and a voltmeter.
Prepared 26 October 2026. RPM figures are derived from published gear ratios; everything else is sourced above. This is research, not a mechanical inspection — get the bike looked at before money changes hands.