Batteries for Yamaha 450 YFZ450
Which battery does a Yamaha 450 YFZ450 need?
Specifications and battery: YFZ450
Yamaha 450 YFZ450 takes a 7 Ah, 120 A AGM battery (150 × 66 × 94 mm), with the positive terminal on the left.
Battery for this engine
| Version | Technology | Capacity | Cold cranking (EN) | Size (L×W×H) | Polarity |
|---|---|---|---|---|---|
| Main | AGM | 7 Ah | 120 A | 150 × 66 × 94 mm | + on the left |
The same batteries also fit the YFZ 450 all models and YFZ450V engines of this model.
Data: vehicle specifications and the battery manufacturer's application catalogue.
Battery analysis for your Yamaha 450 YFZ450
Quick answer You need an AGM battery of 7 Ah. Our recommendation: VARTA YT7B-BS.

Prices and availability updated on 25/10/2026
Based on the batteries we found for your vehicle, our experts help you pick the right one.
📋 What we found
For your Yamaha 450 YFZ450 we found 2 compatible AGM or EFB batteries.
📏 Battery size
The list contains batteries in different sizes or capacities (Ah). In many cases both variants fit, but it's worth checking your compartment dimensions and the Ah of your original battery before buying. Choose the one with the same dimensions as your current battery: a bigger one may not fit the compartment or the hold-down. If several match your size, the higher capacity gives more headroom for cold starts.
📊 View AGM vs EFB vs Conventional — full comparison
⭐ Our recommendation
For your Yamaha 450 YFZ450 we recommend the VARTA YT7B-BS (AGM, 7 Ah). It also delivers the most cranking power (CCA) on the list — a clear edge in cold starts. Varta is the world's leading manufacturer of starter batteries and supplies first-equipment (OEM) batteries to the major European car makers.
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Verified selection
- Class: Quads Batteries
- Brand: Yamaha
- Model: 450
- Engine: YFZ450
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 507901012
For €13.10 more you get +35 A cold cranking.
| RecommendedVARTA 507901012 | CheapestEXIDE ET7B-BS | |
|---|---|---|
| Cold cranking | 120 A | 85 A |
| Capacity | 7 Ah | 7 Ah |
| Technology | AGM | AGM |
| Why | Varta brand | — |
| Price | €39.20 | €26.10 |
-
Motorcycle battery Varta YT7B-BS (507901012) 12V 7Ah 120A AGM
- 12 V
- 7 Ah
- 120 A
- AGM VARTA 507901012 · 7 Ah · 120 A
Dimensions 150×66×94 mm
- ✓ Varta brand
€39.20
-
Motorcycle battery Exide ET7B-BS 12V 7Ah 85A AGM
- 12 V
- 7 Ah
- 85 A
- AGM EXIDE ET7B-BS · 7 Ah · 85 A
Dimensions 150×65×95 mm
€26.10
Frequently asked questions
- Yamaha 450 YFZ450 takes a 7 Ah, 120 A AGM battery (150 × 66 × 94 mm), with the positive terminal on the left. We found 2 compatible batteries priced between 26,10€ — 39,20€. 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 Yamaha 450 YFZ450 battery compartment and the positive terminal position matches.
- 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.
- Motorcycles can use GEL, AGM or conventional batteries. GEL is ideal for occasional use as it holds its charge well. AGM is the best choice for intensive use or high-powered bikes. Always verify the polarity before installing.
- Polarity indicates which side the positive terminal (+) is on. For motorcycles this is critical as some models have the positive on the left and others on the right. Check the label on your current battery or the owner's manual.
- Yes. First disconnect the negative cable (−), then the positive (+). When fitting the new battery, connect the positive (+) first, then the negative (−). Always respect the correct polarity.