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  1. chris_n

    Not street legal!

    600W in Austria!
  2. chris_n

    Schwalbe Marathon Plus

    The clue is in your last line, that is why people come off them! If you want some grip while in a hurry get something softer.
  3. chris_n

    Schwalbe Marathon Plus

    Marathon plus tyres are probably one of the biggest causes of 'offs' in the winter time for the demographic of this type of forum. The rubber is a very hard compound anyway that gets even harder as it gets colder. They are designed for leisurely long distance touring, leisurely including...
  4. chris_n

    Haibike Yamaha - battery replacement options

    Ok 80% but it is you that is talking crap! If he is hamering it he can easily flatten the battery in 20 miles. No one can state a milage, terrain varies, riders vary and speed varies and to claim you can get 43 miles at near max power is silly. If you are using 400W (max is about 700) you will...
  5. chris_n

    Haibike Yamaha - battery replacement options

    I can get over a hundred miles out of mine (not when I am in the Alps)! Actually true but meaningless, everyone's hills are different, everyone's journeys and requirements are different. It is easy to check the capacity as outlined in the manual above. The warranty would only be for something...
  6. chris_n

    Yamaha Sduro Workshop Manual

    https://www.manualslib.com/manual/975488/Yamaha-X94-Series.html#manual
  7. chris_n

    Haibike Yamaha - battery replacement options

    You can do any of your suggestions but first it may be worth checking the battery capacity, this manual will tell you how see page 19. https://www.manualslib.com/manual/975488/Yamaha-X94-Series.html#manual If you are getting that low then you are giving the battery a real pasting, the last 10%...
  8. chris_n

    Derestricting ebike

    It does on Yamaha!
  9. chris_n

    Derestricting ebike

    So it isn't a one to one ratio with the crank, easy to detect in software.
  10. chris_n

    Oxygen E mate MTB13AH

    The Yamaha battery doesn't appear to be "switched on" until you power the bike up. Yes there is a voltage reading at the terminals but it is a couple of volts lower than the actual battery voltage. If I fit the standard battery and then measure the voltage on the connector for my extender it...
  11. chris_n

    Chainrings - is this correct?

    You don't need to mount a spider, the Yamaha motor has a spider capable of taking 2 chainrings as standard although iirc the chainring is on the inside of the spider and the chainguard on the outside. When I changed mine back in the mists of time I had to use different bolts but I was making it...
  12. chris_n

    Chainrings - is this correct?

    Well mine must wonder what the hell is going on as I never do more than 7mph! It didn't die when I increased my chainring size from 38 single to 44 outer and 32 inner. Bosch may use such algorithms but Yamaha certainly don't.
  13. chris_n

    Chainrings - is this correct?

    What a load of rubbish, it has no idea what gear you are in, the motor only delivers power proportional to your input. It doesn't know what gradient you are on or how heavy you are both of which have a far greater impact on what the motor is doing. If it is possible to get a narrow/wide single...
  14. chris_n

    2018 Yamaha Electric Bike Updates at Interbike

    The 500Wh battery is a straight replacement for the 400wh, I used to hire one before I got my extender.
  15. chris_n

    Review Woosh Rio MTB Review/Initial Impressions

    Use rubber lined stainless steel p clips to hold your mudguards on. http://www.westfieldfasteners.co.uk/A4_P-Clip_Rubber-Lined.html
  16. chris_n

    eMTB owners photo and ride thread.

    Most of the Alps has had some snow this week, Kleine Scheidegg was the only place my jaw has ever hit the ground in awe. I was working in Switzerland and had weekends free, thought I'd go skiing at Wengen for the day. Drove to Lauterbrunnen and caught the train, when I got our and walked out of...
  17. chris_n

    eMTB owners photo and ride thread.

    Out for a ride this morning, couldn't quite get to where I wanted to go. Had to turn round at 1700m. Still pleasant towards the valley, the cows come down off the mountains tomorrow ready for the winter.
  18. chris_n

    Haibike Yamaha pinout/technical diagrams

    If you type x94_series.pdf into google you will get the Yamaha system manual.
  19. chris_n

    Do You Insure Your Bike

    Not insured, my usual mantra is if you can afford the risk then why throw money away. I do however have personal liability insurance via my home insurance, I can't afford the consequences of killing someone.