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kls7812s - installed but can't remove speed limit

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kosac11
Posts: 12
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(@kosac11)
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Joined: 4 months ago

Hi all,

I have added second battery (in parallel with first one) and installed kls7812s. Acceleration is very good but I can't remove speed limit at 50km/h. Can anyone help me with this? Thanks!

edit: with factory controller and same batteries speed limit is around 70 km/h.

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9 Replies
m66
Posts: 70
 m66
(@m66)
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Joined: 1 year ago

50 to 55 is real max speed for Super Soco. Factory speedo/controler are wired to display 15% higher speed. 

Sad to inform you but they lied about max speed, deliberately. 

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kosac11
(@kosac11)
Joined: 4 months ago

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Posts: 12

@m66 I'm talking about GPS data in both factory and Kelly.

Using factory controller top speed was 70kmh measured by GPS.

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m66
 m66
(@m66)
Joined: 1 year ago

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Posts: 70

@kosac11 I was measuring speed by speed traps. 2020 model ,55 km/max speed at trap and speedo showed 70. Only time it get real 70 was downhill. P(W)=V(V)xI(A) That engine is getting peak power of 1800W with 70kg chassis + 11kg battery nowhere near 3kW they promised

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kosac11
(@kosac11)
Joined: 4 months ago

Active Member
Posts: 12

@m66 let's say it this way ... 🙂
after replacing factory controller with kls7218s bike have MUCH better acceleration and MUCH lower top speed.

Even without any measuring instrument you can feel this.

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frozenpenguin
Posts: 1
(@frozenpenuin)
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Joined: 5 months ago

Try changing the motor poles to 27

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kosac11
(@kosac11)
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Posts: 12

@frozenpenuin I did this but it did help at all

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mk2r
Posts: 18
 mk2r
(@mk2r)
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Joined: 4 months ago

I am listening, I just got a Kelly kls7230S (the only one close enough to me) that I will set VERY gently.

 

Is there anything I need to think about to get the speedo working? or can I attach it directly into the Kelly controller or do I need to keep the old controller and run it besides it?

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kosac11
Posts: 12
Topic starter
(@kosac11)
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Joined: 4 months ago

TPS Dead High from 80 to 100 solved problem.

By GPS bike top speed is around 60km/h

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