I have a derbi gpr 125 and i took a sticker of the engine casing to find it's a yamaha engine
can anybody tell what yamaha engine it is on it please
SOURCE: what size is a derbi gpr 125 piston seal kit?
GPR125 '05 model engines have a piston of 56mm diameter
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SOURCE: my derbi gpr 125 speedo is always on 0 but only
It could be the sensor needs to be changed... In some cases it occurs cuz of the voltage drop of battery output... how old is your bike cuz if its a few yrs old it might be the battery
SOURCE: Derbi GPR Speedo stuck on KPH
yh you have to select a certian mode and put in a code or something like that i got told in a shop i got mine from so if u have a booklet or a shop near you they would probly do it for free but i THINK you need a code
SOURCE: i cant find the battery
YTX5L-BS Got mine from ebay.
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=190434638024
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its a yamaha your right its a 3mb00 dtr 04 dt 125 04 tdr 125 04 derbi gpr 04 girela sc 125 04 all have the same yamaha engine tzr some models...
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