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I have a Gilera SMT (yes I know it’s just a 50cc!) and when I am holding the clutch fully in and go down the gears when I get to first it either won't go into gear (and the lever vibrates like hell under my foot) or it makes a loud clunk/bang sound. This happens when I am at speed and pull the clutch in and just drift up to a junction putting it into first - so I will be ready to take off. Please note I am not totally stupid and do not just go straight from sixth to first and dump the clutch! This occurs when I have the clutch pulled in. It seems O.K. if the road speed is low and I am wondering if the gear is partly engaged even when the clutch is fully in and so the road speed is far too much for first gear. Please give me your thoughts on how to sort it out or if you think I'm doing something wrong.
Sorry - I’m sure it sounds stupid but I have just started riding and am really enjoying it however this is very off putting.

Thanks in advance.

2007-10-31 09:15:25 · 6 answers · asked by Anonymous in Cars & Transportation Motorcycles

Hi Guys! Thanks for your quick answers - They are really helpful. At the same time could you let me know if it will damage the transmission to shift up with no clutch - and off the throttle? I have not been doing this as I was unsure.
The only reason I am asking is because of the nature of the bike the first gear runs out very quickly and at a busy junction it is hard to accelerate as quick as the cars around me can.

2007-10-31 10:00:55 · update #1

6 answers

All the above, plus this: I'd bet that your clutch isn't fully disengaging. Chek by putting the bike up on the centerstand and putting it in gear. Not running, of course!

Then pull the clutch and sede if you can easily turn the rear wheel by hand. If you can't, your clutch isn't fully-disengaged.

2007-10-31 12:01:00 · answer #1 · answered by Yesugi 5 · 2 0

Don't change into first until you are stopped, concentrate on arriving at the junction without completely stopping – inertia is the enemy of small bikes. If you aren't under power you will be less able to react to situations so try not to drift too much.
Clutchless changes (up) are possible on some (normally multi-cylinder) bikes, but frankly you should be able to change up with the clutch almost as quickly. HOWEVER don't do it completely off the throttle – you need to keep the revs above idle for a smooth change.

2007-11-01 04:55:30 · answer #2 · answered by Tim D 7 · 0 1

you are not supposed to downshift to first at high speed with the clutch in. You are going to ( or may already have) bend a shift for, damage the gears etc.
1st gear is not so much a "synchronized" gear as it is a "compound" gear. Check your manual, it will explain to you that you should never downshift unless under a certain speed for each gear. It will even tell you what those speeds are. For a downshift to first, you should either be stopped, or almost stopped before you do so.
Good luck

2007-10-31 16:34:23 · answer #3 · answered by randy 7 · 2 0

Only go down a gear at a time while slowing. Keep yourself in the proper gear for a rapid acceleration if needed. Go to first at a complete stop.

I always use the clutch for upshifts, I can't help there.

2007-10-31 17:23:22 · answer #4 · answered by Firecracker . 7 · 2 0

dont change down to first, when slowing down the lowest gear you want to go down to is second but you can pull up in other gears when you come to a stand still then change to first ready for seating off FIRST IS FOR GETTING THE BIKE ROLLING as soon as you are away you change up,


hope you have years of happy riding

2007-10-31 16:46:19 · answer #5 · answered by quasar 6 · 0 0

Remember to slightly rev the engine when down shifting so the engine will catch up with the lower gear.This should help.Some manufactures have clunkie trannys no matter what you do.

2007-10-31 16:38:10 · answer #6 · answered by (A) 7 · 1 3

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