Jerky – Aquila GV300S
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Hi all, new member, new to hyosung and need some advice. I have 22 plate GV300S and to me it feels there’s something wrong. When travelling and I throttle down its like putting on the front brake, I jerk forward, similarly, when I open up again its a jerk backwards, there doesn’t seem to be a smooth transition between the two operations, its all or nothing,which seems dangerous to me. Please, is this normal or a throttle or carb fault, many thanks, steve.
Steve
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Hello Sir
How old is the bike (total miles?)
When was its last service and specifically which oil was used on it ?
How is the brake calipers ? (2 bolts hold each caliper to the forks) (and rear holds to its carrier)
Brake cleaner inside the caliper can help and also dont forget to use some grease behind the pads to avoid pads getting stuck if they don’t slide back smoothlyHow is the chain slack ?
Sometimes a very slack chain can do this.Check the front sprocket nut isn’t loose
(Please take a pic and show us on this forum if possible)Do you also feel like there is some kind of misfiring going on ?
Or did the dealer fit wrong plugs ?
(causing them to breake down)Update us fella, i will keep an eye on this thread do not worry.
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Hello Sir
How old is the bike (total miles?)
When was its last service and specifically which oil was used on it ?
How is the brake calipers ? (2 bolts hold each caliper to the forks) (and rear holds to its carrier)
Brake cleaner inside the caliper can help and also dont forget to use some grease behind the pads to avoid pads getting stuck if they don’t slide back smoothlyHow is the chain slack ?
Sometimes a very slack chain can do this.Check the front sprocket nut isn’t loose
(Please take a pic and show us on this forum if possible)Do you also feel like there is some kind of misfiring going on ?
Or did the dealer fit wrong plugs ?
(causing them to breake down)Update us fella, i will keep an eye on this thread do not worry.
Steve
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25 km total, bike is brand new, but I am doubtful. Throttle cables have a bit of play, chain OK. Shop called it “engine break”, common with fuel injection, Hi Marcel, quarter inch. Will check what you mentioned. Need to know if faulty and/or the shop sold it faulty. Dangerous in traffic and jerky at low speeds, reg.this month, Steve., thanks
Just fixing your old reply as it was entered in the “tags” box instead of the main big white reply box , but i will get rid of it from future replies to make navigation easier.
Shop is trying to act funny by saving their own skin, they must comply with the warranty if they sold you the bike and it must work normally, I’ve had a brand new bike before and it never did such things and it wasn’t even a korean or jap bike.
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