Batteries for SYM HD HD 125 10 hp (petrol, 2001-2006)
Which battery does a SYM HD HD 125 need?
Specifications and battery: HD 125 (10 hp)
SYM HD HD 125 (10 hp, petrol, 2001-2006) takes a 11 Ah, 160 A AGM battery (150 × 88 × 105 mm), with the positive terminal on the left.
- Brand
-
SYM
- Model
- HD
- Built
- 2001 - 2006
- Fuel
- Petrol
- Cylinders
- 1
- Drive
- Vario
Battery for this engine
| Version | Technology | Capacity | Cold cranking (EN) | Size (L×W×H) | Polarity |
|---|---|---|---|---|---|
| Main | AGM | 11 Ah | 160 A | 150 × 88 × 105 mm | + on the left |
The same batteries also fit the HD 125 (12 hp), HD 125 Evo (13 hp), HD 125 Evo (12 hp), HD 200 (15 hp) and 3 more engines of this model.
Data: vehicle specifications and the battery manufacturer's application catalogue.
Battery analysis for your SYM HD HD 125
Quick answer You need an AGM battery of 11 Ah. Our recommendation: VARTA YT12A-BS.
Prices and availability updated on 23/10/2026
Based on the batteries we found for your vehicle, our experts help you pick the right one.
📋 What we found
For your SYM HD HD 125 we found 5 compatible AGM or EFB batteries.
📊 View AGM vs EFB vs Conventional — full comparison
⭐ Our recommendation
For your SYM HD HD 125 we recommend the VARTA YT12A-BS (AGM, 11 Ah). It also offers the highest capacity (Ah) and the highest cranking power (CCA) on the list — more headroom in cold starts and with many consumers. Varta is the world's leading manufacturer of starter batteries and supplies first-equipment (OEM) batteries to the major European car makers.
- Rated 5.0/5 by 2 verified customers.
- Get it on Monday before 5 PM — your product ships today.
- 22% cheaper than the most expensive option in the list.
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Verified selection
- Class: Motorcycle Batteries
- Brand: SYM
- Model: HD
- Engine: HD 125
AGM / EFB batteries
AGM or EFB technology batteries: more charge cycles, faster recovery and a longer life than a conventional battery.
Why we recommend the VARTA 511901016
For €19.80 more you get +40 A cold cranking and +3 Ah capacity.
| RecommendedVARTA 511901016 | CheapestEXIDE ETX9-BS | |
|---|---|---|
| Cold cranking | 160 A | 120 A |
| Capacity | 11 Ah | 8 Ah |
| Technology | AGM | AGM |
| Why | Varta brand | — |
| Price | €43.20 | €23.40 |
-
Motorcycle battery Varta YT12A-BS (511901014) 12V 11Ah 160A AGM
- 12 V
- 11 Ah
- 160 A
- AGM VARTA 511901016 · 11 Ah · 160 A
Dimensions 150×88×105 mm
- ✓ Varta brand
€43.20
-
Motorcycle battery Varta YTX9-BS (508012008) 12V 8Ah 135A AGM
- 12 V
- 8 Ah
- 135 A
- AGM VARTA 508012014 · 8 Ah · 135 A
Dimensions 152×88×106 mm
€30.20
-
Motorcycle battery Exide ETX9-BS 12V 8Ah 120A AGM
- 12 V
- 8 Ah
- 120 A
- AGM EXIDE ETX9-BS · 8 Ah · 120 A
Dimensions 150×90×105 mm
€23.40
-
Motorcycle battery Exide AGM12-7.5 12V 8Ah 120A AGM
- 12 V
- 8 Ah
- 120 A
- AGM EXIDE AGM12-7.5 · 8 Ah · 120 A
Dimensions 150×90×105 mm
€55.60
-
Motorcycle battery Exide ET12A-BS 12V 10Ah 130A AGM
- 12 V
- 10 Ah
- 130 A
- AGM EXIDE ET12A-BS · 10 Ah · 130 A
Dimensions 150×90×105 mm
€34.70
| Category | Make | Reference | Capacity | Cold cranking | Dimensions | Technology | Price | |
|---|---|---|---|---|---|---|---|---|
| AGM / EFB batteries | VARTA | 511901016 | 11 Ah | 160 A | 150×88×105 mm | AGM | €43.20 | More info |
| AGM / EFB batteries | VARTA | 508012014 | 8 Ah | 135 A | 152×88×106 mm | AGM | €30.20 | More info |
| AGM / EFB batteries | EXIDE | ETX9-BS | 8 Ah | 120 A | 150×90×105 mm | AGM | €23.40 | More info |
| AGM / EFB batteries | EXIDE | AGM12-7.5 | 8 Ah | 120 A | 150×90×105 mm | AGM | €55.60 | More info |
| AGM / EFB batteries | EXIDE | ET12A-BS | 10 Ah | 130 A | 150×90×105 mm | AGM | €34.70 | More info |
Frequently asked questions
- SYM HD HD 125 (10 hp, petrol, 2001-2006) takes a 11 Ah, 160 A AGM battery (150 × 88 × 105 mm), with the positive terminal on the left. We found 5 compatible batteries priced between 23,40€ — 55,60€. Check dimensions and positive terminal position before purchasing.
- Yes, you can install a higher capacity (Ah) battery as long as the physical dimensions fit your SYM HD HD 125 battery compartment and the positive terminal position matches.
- Motorcycles can use GEL, AGM, or conventional batteries. GEL batteries are ideal for occasional use. AGM batteries are the best option for heavy use or high-power motorcycles. Always check the polarity before installation.
- Polarity indicates which side has the positive (+) terminal. This is critical for motorcycles because some models have the positive terminal on the left and others on the right. Check the label on your current battery or the manufacturer's manual.
- Yes. First disconnect the negative (−) wire and then the positive (+) wire. When installing the new one, connect the positive (+) wire first and then the negative (−) wire. Always respect the correct polarity.
- Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.
- All our batteries come with the legal guarantee provided by consumer law against manufacturing defects. If a battery has a manufacturing defect, it will be replaced at no cost to the user.
- Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.