It's never too late to ride an SR

Hermann has written us a letter

At the age of 88, he still rides his YAMAHA SR400 regularly. Now our
E-Starter provides assistance for all situations.

"Have a nice day"

"Hello, I am the owner of an SR400 built in 2014 and 88 years old, starting the bike is still possible but it would be nicer with an electric starter. You have one for retrofitting.

Please send me something like a brochure, picture and price.

Many thanks in advance"

Anyone who has been riding a motorcycle for seventy years is welcome to do without kicking.

If you've only been doing it since yesterday and love your SR, you can do it too.

From our webshop:

Nuts & Bolts "XSTART" retrofit e-starter

The "XSTART" contains a 1 kW starter motor with alternator cover, adapter for the original pole wheel, freewheel, drive chain and starter relay, all the necessary accessories and detailed, illustrated instructions for quick and easy installation.

A lithium battery pack (LiFePo4) replaces the existing vehicle battery. To ensure the maximum service life of the battery pack, we recommend the simultaneous use of a modern rectifier/charger regulator (Art. 41508) with precise voltage regulation. The original regulator of the SR500 measures the battery voltage via the ignition switch, so the battery charging voltage may be above the optimum value.

The starting current of the starter motor is 300A, with a peak current of 600A, the 4S lithium battery has sufficient reserves. The temperature range of -20°C to +60°C is absolutely suitable for practical use.

Here is our overview of the different versions and optional accessories:

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