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Doppler
Article no.: CGN487002

Drive Belt Doppler Polyamid 729x18mm 139QMB 12

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22,50 €

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Description

Polyamid-reinforced drive belt 139GMB for 12" wheels by Doppler.

Questions about the product
 
 
Notes and Safety

When to change the V-belt?

On scooters, the engine power is transmitted to the rear wheel via the V-belt or drive belt, which connects the CVT variator to the torque drive. As a rule, it should be replaced every 10,000 to 20,000 km. The belt slips when it is heavily worn. By the way, a new belt also slips and needs a short run-in period.

How to change the drive belt?

Replacing the V-belt is a relatively easy, you don't need advanced technical know-how. The first step is to remove the variator cover to get to the variator. You'll need a piston stopper and a blocking tool to remove the CVT and clutch bell. You can then remove the worn V-belt and replace it with the new one. When reassembling, make sure that the V-belt is properly seated and has the correct tension.

Here's a little tutorial on How to change the CVT and drive belt (English Subs).

Technical details
Drive Belt Doppler Polyamid 729x18mm 139QMB 12
Article no.CGN487002
EAN3663829014237
Weight0,20 kg
BrandDoppler
Product typeV-belt
Compatible vehicles for this article
AGM
GMX 450cc (QM50QT-6A)GMX 500cc (QM50QT-6A(A))
ATU
City Star 50cc 4-stroke (YY50QT)Formula 2000 50cc 4-stroke (YY50QT-6A)Formula One 50cc 4-stroke (YY50QT-6)Level 100 50cc 4 stroke (ZS50QT)Retro Star 50cc 4-stroke (YY50QT-15)Wild Eagle 50cc 4 stroke (ZS50QT)
Adly (Her Chee)
BT 50cc 4-stroke
Baja
BE500 50cc 4-strokeRetro 50ccRetro RT 50ccSuncity SC 50cc 4-stroke VIN LAW / LXKSSuncity SC 50cc 4-stroke VIN LWGT
Baotian
Big Panther 50cc 4-stroke (BT49QT-2A)BT49QT-3 50cc 4-strokeBT49QT-6A1 50cc 4-strokeBT49QT-6A4 50cc 4-strokeBT49QT-6B1 50cc 4-strokeBT49QT-6B4 50cc 4-strokeBT49QT-9R1 50cc 4-strokeBT49QT-9R3 50cc 4-strokeBT49QT-9S1 50cc 4-strokeBT49QT-9S3 50cc 4-strokeBT49QT-12C1 50cc 4-strokeBT49QT-12G 50cc 4-strokeBT49QT-20A2 50cc 4-strokeBT49QT 7 - 4-strokeBT49QT 9 - 4-strokeBT49QT 12 - 4 TempsBT49QT 21B2 - 4-strokeBT49QT 50cc AC 4 strokeBT49QY 2 - 4-strokeBT 50cc AC - 4-strokeBT50QT 9 - 4-strokeBT50QT 11 - 4-strokeCarino 50 - 4 strokeEagle 50cc 4-stroke (BT49QT-9F1)Eagle 50cc 4-stroke (BT49QT-9F3)Ecobike 50cc 4-stroke (BT50QT-9)Falcon 50cc 4-stroke (BT49QT-2C)Hero 50cc 4-stroke (BT49QT-12D)Rebel 50cc 4-stroke (BT49QT-12A1)Retro 50cc 4-stroke (BT49QT-11)Retro 50cc 4-stroke (BT50QT-11)Rocky 50cc 4-stroke (BT49QT-12E)Smart Rider 50cc 4-stroke (BT49QT-7)Speedy 50 - 4 strokeSprint 50cc 4-stroke (BT49QT-9)Tanco 50 - 4-stroke (BT49QT-12F)Tiger 50cc 4-stroke (BT49QT-12P1)
Beeline
Veloce 50ccVeloce GT 50cc
Benero
City Cruiser 50cc 4-strokeNew Retro 50cc 4-strokeRetro 50cc 4-strokeSpeedy 50cc 4-stroke
Benzhou
City Star 50cc 4 stroke (YY50QT)Formula 2000 50cc 4-stroke (YY50QT-6A)Formula 3000 50cc 4 strokeFormula One 50cc 4-stroke (YY50QT-6)Grand Retro 50cc 4-strokeRetro Star 50cc 4-stroke (YY50QT-15)YY50QT 4-stroke
Buffalo
Silver 50cc - 4-strokeSpeedy 50cc - 4-strokeTanco 50cc - 4-strokeTVZ 50cc - 4-strokeWarrior 50cc - 4-strokeWind 50cc - 4-strokeZX 50cc - 4-stroke
CPI
Bravo 50ccVogue 50cc 4-stroke
Dazon
Diamondback 50cc 4-stroke
Diamo
Classic 50cc 4-strokeTuscany 50cc 4-strokeVelocity 50cc 4-stroke
Dotera
Retro Star 50cc 4-stroke
EUROCKA
City 50cc 4 strokeF22 50cc 4 strokeFifty 50cc 4 strokeGTR-B 50cc 4 strokeJet (HT50QT-39) 50cc 4 strokeMatador 50cc 4 strokeNew Cute 50cc 4 strokeR8 50cc 4 strokeXpress 50cc 4 strokeZN50QT-11D 50cc 4 stroke
Eppella
GMX 50cc 4-stroke
Ering
Red Wing 50cc 4-strokeSilver Fox 50cc 4-strokeSmart Rider 50cc 4 strokeSprint 50cc 4-stroke
Explorer (ATU)
Level 100 50cc 4-stroke (ZS50QT)
Flex Tech
Cavallino 50cc 4 strokeCityleader 50cc 4 strokeCityliner 50cc 4 strokeDolphin 50cc 4-strokeFirenze 50cc 4 strokeFun 50cc 4-strokeHurrican X1 50cc 4-stroke (JL50QT-4)Hurrican X2 50cc 4-stroke (YY50QT-26)Luna 50cc 4 strokeNapoli 50cc 4 strokePiacenza 50cc 4 strokeRetro Firenze 50cc 4 strokeRiva 50cc 4 strokeSpeedy 50cc 4-strokeSprint-10 50cc 4-stroke (SK50QT-A)Sprint-12 50cc 4-stroke (SK50QT-B)Thunder 50cc 4 strokeTopdrive 50cc 4-stroke (YY50QT-14)Topspeed 50cc 4 strokeTVZ 50cc 4 strokeVenus 2 50cc 4-strokeVenus 50cc 4-strokeX1 50cc 4 strokeX2 50cc 4 stroke
Fly Scooters
IL Bello 50cc 4-stroke
GT Union
Strada 50cc 4 stroke
Garelli
Flexi 50cc 4-strokeTiesse Four 50cc 4-strokeXò 50cc 4-stroke
Generic
Cracker 50cc 4-strokeOnyx 50cc 4-strokePandora 50cc 4-strokeRace 2 50cc 4-strokeRace GT 2 50cc 4 strokeSirion 50cc 4-strokeVertigo 50cc 4-stroke
Gorilla Motor Works
Black Jack 50cc 4-strokeJet 50cc 4-strokeM1 50cc 4-strokeM2 50cc 4-strokeR1 50cc 4-strokeR2 50cc 4-strokeRX-50cc 4-stroke
Hercules
HT50QT-26 50cc 4-stroke
Huatian
HT50QT-6HT50QT-7HT50QT-9HT50QT-10HT50QT-16HT50QT-22HT50QT-25HT50QT-26HT50QT-36
IVA
Firenzo 50cc 4 strokeIbiza 50cc 4 strokeJet New 50cc 4 strokeLux 50cc 4 strokeRetro Roma 50cc 4 strokeRetro Venice 50cc 4 strokeRoma 50cc 4 strokeVenti 50cc 4 stroke
JM Motor
Delivry 50cc 4 strokeMilano 50cc 4 strokeOldies 50cc 4 strokeOldies GT-S 50cc 4 strokeOldies GT 50cc 4 strokeSC 50cc 4 strokeStreetfight 50cc 4 strokeSunny 50cc 4 strokeViper 50cc 4 stroke
Jack Fox
City Star (YY50QT)Eco Fox 50ccFormula 2000 (YY50QT-6A)Formula One (YY50QT-6)Formular 3000 50ccGT 50cc 4-strokeRetro Star (YY50QT-15)Speed Fox 50cc 4-strokeSpeed Fox S 50ccYY50QT-26
Jinlun
Fighter 50cc (JL50QT-5)JL50QT 50cc 4 stroke
Jmstar
Accipiter 50cc 4-stroke (JSD50QT-21C)Airbus 50 [JSD50QT-18]Aquila 50cc [JSD50QT-21]BMS 50cc [JSD50QT-3]Breeze 50cc 4-stroke (JSD50QT-13)Eagle 50cc 4-stroke (JSD50QT-21)F1 50cc [JSD50QT-5A]F35 50 [JSD50QT-27R]Falcon 50cc 4-stroke (JSD50QT-21A)Firefox 50cc [JSD50QT-98]Nabs 50cc (JSD50QT-12)New Princess 50cc (JSD50QT-9B)New Sunny S1 50cc (JSD50QT-13)New Testa 50cc (JSD50QT)Princess 50cc (JSD50QT-9B)R6 50cc (JSD50QT-21)RX1 50cc (JSD50QT-21)S Only 50cc (JSD50QT-27)Sunfire Racing 50cc 4-stroke (JSD50QT-27)Sunny 50cc 4-stroke (JSD50QT-27)Sunny S1 50cc [JSD50QT-13]Sunny S2 50cc [JSD50QT-13]Sunny S4 50cc [JSD50QT-13]Sunny S5 50cc [JSD50QT-13]Sunny S6 50cc [JSD50QT-13]Testa 50cc (JSD50QT)Z-Bike 50cc 4-stroke (JSD50QT-15)Zero 50cc (JSD50QT-1)Zeus 50cc 4-stroke (JSD50QT-15C)Zeus B09 50cc [JSD50QT-27]Zeus B12 50cc [JSD50QT-27B] (4-Takt)
Jonway
Beta 50cc 4-strokeLambda 50cc 4-stroke (YY50QT-21)Warrior 50cc (4-stroke)YY50QT 50cc 4-stroke
Karcher
KM 50cc 4-stroke
Kreidler
Florett City 50ccFlory 50cc 4-strokeFlory Classic 50cc4 strokeGalactica 2.0 City 50cc 4 strokeHiker City DD 50cc 4 strokeJigger City 50cc 4-strokeRMC E 50cc 4-stroke
Kymco
Agility Basic 50cc 4-stroke 10" (KD10SH)DJ S 50cc 4-stroke (KG10B)Filly 50cc 4-stroke (SD10AC)Super 8 50cc 4-strokeVitality 50cc LC - 4-stroke (Euro 2)
Lance
Cabo 50cc 4-strokeCali Classic 50cc 4-strokeHavana Classic 50cc 4-strokePSH 50cc 4-strokeSoho 50cc 4-stroke
Lifan
Metro 50cc 4 strokeS-Ray 50cc (4 stroke)Speeder 50cc (4 stroke)
Longbo
LB50QT-6 50cc 4-strokeLB50QT-22 50cc 4-stroke
Longjia
Digita 50cc 4-strokeEstate 50cc 4-strokeH2 50cc LC 4-stroke 3VLJ50QT-E 50cc 4-strokeSpeedjet-Evo 50cc 4-strokeTrevis 50cc 4-stroke
MKS
Ecobike 50cc 4-strokeYY50QT-26
Malaguti
DVD 50cc 4-stroke
Mash
Bibop 2.0 50cc 4-strokeCity 50cc 4-strokeLegend'R 50cc 4-stroke
Massimo
MSM50QT 50ccSL50QT 50cc
Mawi
City Spider 50cc 4-strokeEagle Wing 50cc 4-strokeHigh Power 50cc 4-strokeSpeed Racer 50cc 4-strokeStreet Race 50cc 4-strokeSuper Power 50cc 4-stroke
Milestorm
Roma 50
Moto Zeta
Rally 50cc 4-stroke
Motobi
BC One 50cc 4-strokeRemini 50cc 4-strokeSiena 50cc 4-stroke
Motofino
MF50QT-2 50cc 4-strokeMF50QT-7 50cc 4-strokeMF50QT 50cc 4-stroke
Motorro
City Hooper 50cc 4-strokeClea 50cc 4-strokeCobi 50cc 4-strokeDesire 50cc (BT49QT-12) 4-strokeHawk 50cc 4-strokePolly 50cc 4-strokeSprint 50cc 4-strokeTria 50cc (4 stroke)
Motowell
Crogen City 50cc 4-strokeElenor 50cc 4-strokeMagnet 50cc 4-strokeMagnet City 50cc AC 4-strokeRetrosa 50cc 4-strokeYoyo 50cc 4-stroke
Motoworx
Scholli 50cc 4 strokeTitano 50cc 4 stroke
MuZ / MZ
Emmely 50cc 4-strokeEmmely EL2-Hybrid 50cc 4-stroke
Nova Motors
City Star 50cc 4 strokeEco Fox 50cc 4 strokeF3000 50cc 4 strokeGrace 50cc 4 strokeGT 4 50cc 4 strokeMilano 50cc 4 strokeRetro Cruiser 50cc 4 strokeRetro Star 50cc 4 strokeVenezia II 50cc 4 stroke
Pegasus
S50 GP 50cc 4-strokeS50 LX 50cc 4-stroke
Peugeot
Django 50cc 4-strokeKisbee 50cc 4-strokeKisbee RS 50cc 4-strokeV-Clic 50cc - 4-stroke
Pulse
BT49QT-9 50cc Scout 4-strokeSB50QT-16 50cc Rhythm 4-stroke
Puma
Angle 50ccArmor 50ccBeyond 50ccEnvy 50ccJakester 50ccJuliet 50cc 4-strokeLa Vida 50cc 4-strokeRoad Star 50ccRocky 50Romeo 50cc 4-strokeSongbird 50ccSpeedo 50ccValentine 50cc
Q-Link
Estate 50cc LC 4-strokeHawk 50cc LC 4-stroke
Qingqi (Jinan Qingqi)
Fire Storm 50cc [QM50T-10A D]Fizz 50cc [QM50QT-2]Koala 50cc [QM50QT-6D]Leopard 50cc [QM50T-8G]QM50QT 50cc 4-strokeQM50QT 50cc 4-stroke (V-Clic)Variant 50cc [QM50T-10R]
REX (Jinan Qingqi, Shenke)
Bergamo 50ccCapriolo 50cc AC 4-strokeGenua 50ccImola 50ccMilano 50ccMonaco 50ccMonza 50ccOff Limit 50ccPalermo 50ccRS 400 50cc 4-strokeRS 450 50cc 4-stroke (QM50QT-6A)RS 460 50cc 4-strokeRS 500 50cc 4-stroke QM50QT-6A(A)RS 600 50cc 4-strokeRS 700 50cc 4-strokeRS 750 50cc 4-strokeRS900RS 900 50cc 4-strokeQM50T-10A(A)
RIDE
Flash 50cc 4-stroke
RS Ultima
Techno Classic Edition 50cc 4 stroke
Rieju
Pacific 50 - 4 tempsPaseo 50cc 4-strokeToreo 50cc 4-stroke
Rivero
SP54 50cc 4-strokeToscana 50cc 4-stroke
Roketa
Bahama 50cc 4-stroke (MC-07)Maui 50cc 4-stroke (MC-08)MC 50cc 4-stroke
SYM (Sanyang)
Fiddle 2 50cc 4-stroke AC after 2008 (AW05W)Orbit 1 50cc 4-stroke AC (after 2008 AV05W)
Sachs
49er 50cc AC - 4-stroke (FY50QT-5)
Schwinn
Hope 50cc 4-strokeLaguna 50cc 4-strokeNewport 50cc 4-stroke
Seikel
Hunter 50cc (4 stroke)Knight 50cc (4 stroke)
Sprint
Basic 50cc 4-strokeHawk 50cc 4-strokeSport 50cc 4-stroke
Sukida
Dolphin 50cc 4-strokeDragonfly 50cc 4-strokeRoma 50cc 4-stroke (SK50QT-9)Sprint-10 50cc 4-stroke (SK50QT-A)Sprint-12 50cc 4-stroke (SK50QT-B)Venus 50cc 4-strokeViper 50cc 4-stroke
SunL
SL50QT-2 50cc 4-strokeSL50QT-7 50cc 4-stroke
TGB
Cappuccio 50cc 4-stroke
TNG
Low Boy 50cc 4-stroke
TNT Motor
Roma 50cc 4 strokeStrada 50cc 4 stroke
Tank
Econo 50cc 4-strokeSporty 50cc 4-strokeUrban 50cc 4-strokeViaggio 50cc 4-stroke
TaoTao
ATM 50cc 4 strokeCY50 50cc 4 strokeEvo 50cc 4 strokeNew Speed 50cc 4 strokeThunder 50cc 4 strokeZummer 50cc 4 stroke
Tauris
Brio 50cc 4-strokeBrisa 50cc 4-strokeCapri 50cc 4-strokeCorona 50cc 4-strokeCubana 50cc 4-strokeTorero 50cc 4-stroke
Vastro
Gecko 50cc 4 stroke Euro4R-ONE 50cc 4 stroke Euro4Sixtys 50cc 4 strokeStreet S 50cc 4 stroke Euro4
WT Motors
Bilbao 50cc 4-strokeHollywood 50cc 4-stroke
Wangye
Fabius 50cc [WY50QT-16A]Maple II 50cc [WY50QT-86]Paladin VII 50cc [WY50QT-7A]Paladin VIII 50cc [WY50QT-7A]Purga 50cc [WY50QT-7A]T-Star 50cc [WY50QT-97]Tulanoo 50cc [WY50QT-2]WY50QT 50cc 4-strokeX3 50cc [WY50QT-55]
Wild Eagle
Level 100 50cc 4-stroke
Xinling
TXM50 50cc 4-strokeXL50QT 4 strokeXL50TP 4 stroke
Xintian (Kinroad)
XT50QT 4-stroke
ZhongYu
QT-5 50cc AC 4-strokeQT-7 50cc AC 4-strokeZY50QT 50cc 4-stroke
Zjhuatian
HT50QT 50cc 4-stroke
Znen
Aurora 2 50cc [ZN50QT-E3]Aurora 50cc [ZN50QT-E3]Aurora 50cc [ZN50QT-E]Bob 50cc [ZN50QT-15F] (4-stroke)Bobby 50cc [ZN50QT-15C] (4-stroke)Bomb 50cc [ZN50QT-15A] (4-stroke)Eyas 50cc [ZN50QT-15D] (4-stroke)F7 50ccF8 50cc [ZN50QT-F]F9 50cc ZN50QT-36F22 50cc [ZN50QT-32]F35 50ccF35 50cc [ZN50QT-32A]Falcon 2 50cc [N50QT-8A] (4-stroke)Falcon 3 50cc [ZN50QT-8B] (4-stroke)Falcon 4 50cc [ZN50QT-8C] (4-stroke)Falcon 5 50cc [ZN50QT-8D] (4-stroke)Falcon 6 50cc [ZN50QT-7E]Fly 50cc [ZN50QT-20]Goldfish 50ccGrace 50cc ZN50QT-51Grand Retro 50cc ZN50QTHoney 50cc ZN50QT-51Kangaroo 50cc [ZN50QT-12]King 50cc [ZN50QT-19] (4-stroke)Legend 50cc [ZN50QT-E5]Owl 50cc [ZN50QT-15E] (4-stroke)Pizza 50cc ZN50QT-12Q 50cc [ZN50QT-11D]Quiet 50cc [ZN50QT-28]R8 50cc ZN50QT-22Revival 50cc [ZN50QT-D]Snail 50cc [ZN50QT-B] (4-stroke)Sun 2 50cc [ZN50QT-11] (4-stroke)Sun 3 50cc ZN50QT-11BSun 4 50cc ZN50QT-11GSun 50cc [ZN50QT-11] (4-stroke)Ves 50cc ZN50QT-27Vpa 50cc ZN50QT-30AWacky 50cc [ZN50QT-15] (4-stroke)X6 50ccX7 50ccZN50QT 50cc 4-stroke
Zongshen
Cab 50cc 4-stroke (ZS50QT-4)Wind 50cc 4-strokeZS50QT 50cc 4-stroke
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