Honda C90 K3
1978-1978 | moped
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Visual reference
Side profile
- Seat height
- 790 mm
- Wheelbase
- 1,190 mm
- Wet weight
- 92 kg
- Category
- moped
Listing links may earn Rider Height a commission.
- Asset
- Pending
- Dimensions
- -
- License
- -
- Source
- -
Data provenance
Where these numbers came from
Every populated geometry field records its source, verification state, and source link when available. These records feed both the simulator and the fit recommendation engine.
- Geometry status
- Provisional
- Field records
- 20
- Verified fields
- 0/20
- Linked sources
- 20/20
| Field | Value | Source | Status | Notes |
|---|---|---|---|---|
| WheelbaseChassis | 1,190 mm | Published manufacturer/manual spec | Provisional | Manually entered from published specs for the live fallback catalog; not independently verified. |
| Ground clearanceChassis | 130 mm | Published manufacturer/manual spec | Provisional | Manually entered from published specs for the live fallback catalog; not independently verified. |
| Seat contact XRider triangle | 595 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Seat contact heightRider triangle | 790 mm | Published manufacturer/manual spec | Provisional | Manually entered from published specs for the live fallback catalog; not independently verified. |
| Seat lengthRider triangle | 230 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Handlebar XRider triangle | 904 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Handlebar heightRider triangle | 970 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Handlebar widthControls | 790 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Foot peg XRider triangle | 666 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Foot peg heightRider triangle | 425 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Passenger seat XPassenger | 488 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Passenger seat heightPassenger | 845 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Passenger peg XPassenger | 559 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Passenger peg heightPassenger | 610 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Seat height minimumAdjustability | 790 mm | Published manufacturer/manual spec | Provisional | Manually entered from published specs for the live fallback catalog; not independently verified. |
| Seat height maximumAdjustability | 790 mm | Published manufacturer/manual spec | Provisional | Manually entered from published specs for the live fallback catalog; not independently verified. |
| Wet weightPhysical | 92 kg | Published manufacturer/manual spec | Provisional | Manually entered from published specs for the live fallback catalog; not independently verified. |
| Dry weightPhysical | 85 kg | Published manufacturer/manual spec | Provisional | Manually entered from published specs for the live fallback catalog; not independently verified. |
| Front wheel diameterRendering | 533 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
| Rear wheel diameterRendering | 584 mm | Category-based provisional contact geometry | Provisional | Rider contact point estimated from category proportions until side-profile landmarks are authored. |
Bike-level reference: https://bikez.com/motorcycles/honda_c90_k3_1978.php
Does the Honda C90 K3 fit you?
The Honda C90 K3 (1978–1978) has a 790 mm seat height. As a rule of thumb, riders with an inseam around 79 cm — roughly 168 cm (5'6") tall — can plant both feet flat at a stop. Around 73 cm inseam you'll be on the balls of your feet, and shorter riders will tiptoe. Enter your own height and inseam in the simulator above to see exactly how you reach the ground on the Honda C90 K3.
Riding position
As a moped motorcycle, the Honda C90 K3 puts you in an upright, neutral riding position. The simulator scores the exact knee, hip, and elbow angles for your body so you can see how relaxed or aggressive the reach to the bars and pegs will feel.
What is the Honda C90 K3 best for?
The Honda C90 K3 is best suited to all-round road riding.
Braking & stopping distance
At 91.6 kg wet plus a rider, a hard stop from 100 km/h on dry tarmac takes roughly 48 m (about 0.83 g). Stopping distance is grip-limited, so it is set far more by tyres and road surface than by the bike or rider weight.
Fit figures are rules of thumb (flat-foot inseam ≈ seat height); the simulator gives your exact reach and joint angles. Braking is an estimate from wet weight and wheelbase on a dry road.
Community corrections
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