Tempesc said:
I have written to Yamaha on this point to ask whether they consider this a normal characteristic of the bike or a set up issue that should not be present. No response yet but plan to persist and will share.
I followed this up with Yamaha UK. I am sharing their response below (my clarifications in square brackets).
"Thank you for your email addressed to our Technical Service Department, in relation to your Yamaha XT1200Z Super Tenere and may we please first apologise for the delay in our response.
With regards to the points you raise, as previously advised, after checking their records in relation to the XT1200Z , our Technical staff have advised that they indicate no undue concerns with regards to the fuelling on the UK/European models of this motorcycle in general and subsequently, no factory recommended modifications.
Whilst on other models, recently for owners of the 2014 MT-09 who may have some issue with the nature of their machines throttle response, there was a minor, non-reversible reprogramming of the ECU available, to reduce the sensitivity.
However, there is no Yamaha recommended remapping applicable, or available, for the XT1200Z Super Tenere.
Regarding the ‘Painted Screw’ you refer to, we can advise that this does not adjust the fuel mixture. It is for synchronisation of the idle and not to be adjusted, as it is set at the factory.
From your previous email correspondence, we understand that Fowlers [my local dealer] have checked the operation of your machine at the 600 mile service and have advised, that it’s performance in Touring Mode is comparable with other machines of the same model and operating in a similar manner. Subsequently, unless you have reason to suspect that this area of performance has since deteriorated, we would advise that the phenomenon you describe concerning the fuelling, to be a commensurate with other machines and no further action necessary. Naturally we would not recommend the fitting of the aftermarket component you mention [Power Commander V and/or re-flash], as this has not been subject to any relevant testing by the Yamaha factory and could subsequently effect the warranty.
We are sorry that you have had to contact us and again apologise for the delay in responding to you and whilst we understand you may be disappointed with a certain area of your machine, hope that our above comments, may help to alleviate any concerns."
I am somewhat disappointed with this reply so am going to seek further clarification from Yamaha.
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