Manual & Semi-Automatic Motorbikes
Clutch Underbones Such as Exciter and Winner: A Readiness Check for Riders Used to Automatics
About 7 minutes to read
You ride an automatic scooter with confidence, and a sportier bike with a left-hand clutch lever looks tempting for a day or two around Hanoi. A clutch underbone, the group that includes bikes sold under names such as Exciter and Winner, asks for three new skills at once: working the clutch lever, changing gear with the left foot and slowing with the engine’s help. This article offers a way to test those skills in a quiet space before you decide, plus questions for the shop, since only the shop can confirm whether such a bike is in stock. A rider who passes the checks can ask knowing what to expect, while a rider who does not may be happier keeping an automatic or a semi-automatic with no clutch lever. Whatever the owner’s manual and any instructions from the shop say overrides this article, which gives no rules, prices or model figures.
What the left hand and left foot take on
An automatic scooter joins engine and rear wheel by itself, so the left lever on a scooter is not a clutch. On a clutch underbone that lever is the clutch: pulling it in disconnects the drive, and letting it out reconnects the drive. The rear brake that your left hand may be used to is, on a bike like this, a pedal under the right foot, so confirm the layout on the actual bike. The left foot now works the gear lever, giving the left side of your body two jobs to perform in a set order.
One habit needs attention first. On a scooter, a hurried squeeze of the left lever can slow the bike. On a clutch bike the same squeeze frees the engine from the wheel and does nothing to slow the bike by itself, so the right hand and right foot must find the brakes.
A four-part readiness check
Confirm legal eligibility for the exact clutch bike before any riding. Arrange suitable instruction and use a permitted controlled area away from traffic, on flat dry paving in daylight with a correctly fastened helmet and closed shoes. Passing a few control checks does not establish readiness for public roads; do not use a rental trial as a substitute for training.
| Skill | Test in a quiet space | Good sign | Sign to practise more |
|---|---|---|---|
| Clutch release | Pull the lever, select first gear, then ease the lever out to move off at walking pace | The bike pulls away evenly several starts in a row | The bike lurches or the engine stalls |
| Gear changes | Move from first to second and back at a gentle speed | Changes feel smooth, with no jolt | Jerks, or the engine revs without driving |
| Finding neutral | With the bike stopped, the clutch lever pulled in and the brakes held, find neutral and confirm it by the neutral light | Neutral is found without staring at your foot | You hunt for it or lose track of which gear is selected |
| Stopping | Slow in a straight line, step down to first with the clutch lever pulled in, then stop with both brakes | The bike halts straight, first gear is ready and a foot is down in time | You stall, wobble or grab one brake |
Treat the table as a to-do list rather than a score: any row in the last column is the next thing to rehearse. Stop-start streets are more demanding than an empty car park, and how automatic and semi-automatic bikes compare in that traffic is the subject of Automatic vs Semi-Automatic in Stop-Start Hanoi Traffic: A Control Comparison.
Clutch control: finding the point where the bike pulls
- Park upright with the engine off and name each control aloud, from the clutch lever to the neutral light.
- Start the engine by the method in the manual, with the clutch lever pulled in and neutral showing.
- With the lever still held in, check that the stand is up and select first gear the way the manual describes; a small clunk may be felt.
- Release the lever slowly until the bike starts to creep, then stop and notice where your fingers are. That position is the one to learn.
- Pull the lever in again, apply the brakes and repeat until the creeping point feels familiar.
- Add a touch of throttle as the lever comes out, ride a short straight line at walking pace, then let the lever out completely and keep the grip relaxed.
Too little throttle with a quickly released lever stalls the engine, while too much throttle with the lever half out makes the bike leap. Both are easier to correct at walking pace with feet ready to go down.
Gearing: the rhythm of a change
An upshift follows one order: ease off the throttle, pull the clutch lever in, move the gear lever, let the clutch out smoothly and roll the throttle back on. A downshift uses the same order with a lighter touch on the release, since a snatch can tug the rear wheel. The direction in which the gear lever moves, and where neutral sits among the gears, depend on the bike, so have the shop demonstrate the pattern on the machine itself. If the gear lever has not travelled its full distance, a gear may not engage and the engine can rev without driving; stop and repeat the movement.
Neutral deserves its own rehearsal; Gear Engagement and the Neutral Light: What Honda Manuals and the MSF Say to Check on a Manual Bike is a related page about a manual bike.
Braking: two brakes and a lever that does not brake
Use both brakes together, progressively, with the handlebars straight. As the bike slows toward walking pace, pull the clutch lever in so the engine is not dragged into a stall, and step down the gears on the way so that first is ready for moving off. On a downhill stretch, a low gear chosen before the slope, with the clutch lever released, lets the engine share the work of slowing, and the brakes stay in use.
A related routine is covered in Emergency Braking on a Scooter: Practise Using Both Brakes in an Empty Car Park, which is written for scooters; on a clutch bike the lever becomes one more control to coordinate with that practice.
What not to do while you are still learning a clutch bike
- Do not make your first clutch starts in traffic, on a slope or with a passenger.
- Do not let the clutch lever out in one quick movement.
- Do not hold the bike on a slope by slipping the clutch; use the brake.
- Do not coast downhill with the clutch lever pulled in, because that removes the engine’s share of the slowing.
- Do not shift while the throttle is held wide open.
- Do not stare down at the gear lever or the display during a ride.
- Do not adjust a mirror or use a map or a phone during a ride.
If the engine stalls or the bike lurches
Fall back on a set order. Close the throttle, pull the clutch lever in, squeeze both brakes, plant both feet and look around. Select neutral, restart by the manual’s method and set off again only once the way is clear.
If the clutch lever stays stuck, the bike pulls although the lever is held in, or a gear refuses to engage, slow in stages with both brakes, signal and steer toward a spot clear of traffic while the bike is still under control. Turn the engine off when stationary. Do not adjust cables or force parts; take a photograph of the controls, jot down what happened and tell the shop. If smoke or fire appears, move away from the bike. If anyone is injured, or there is smoke or fire, call for emergency help right away.
Questions to ask the shop about a clutch underbone
- Is a clutch underbone available for the dates being asked about, and which exact model would it be?
- Is a short practice in a quiet space possible on that bike before it goes onto the road?
- Can the clutch lever, gear pattern and neutral display be demonstrated on that bike before the rider leaves?
Thuê xe máy Nguyễn Hà is open 09:00–21:00 daily at Ngõ 5 Nguyễn Văn Cừ, Bồ Đề, Long Biên, Hà Nội (near Gia Lâm bus station). Phone: 0334 699 969.