Hi Ads You don't have to fit the tunnel if you didn't want to, it's possible to get everything nice and tight and tidy along the centre and leave the tunnel out it keeps the middle a lot more clear:-) just a thought :-) Andy
I'm with Andy on that one,tunnels are so last year
But if you must, the dimensions are 105mm tall, 120mm wide at the bottom and 70mm wide at the top. The height can be raised if you sit the tunnel on some box section rather than cut slots out to sit over the chassis seat rails. Cheers Kev
Late 2010; Got interested, visited RTR & ordered a tR1ke February 2011; Purchased and dismantled a R1 April 2011; Started building June 2012; UK Approval by RTR July 2012; NL Approved and licensed! August 2012 and on: Driving & fine tuning.... August 2015; Sold my Tr1ke. Up for a new project.
Having the coolant hoses not running in the tunnel will prevent heat radiation from the hot hose to the cooled hose. This can work to have the engine run cooler if desired. Several have had some engines runnning a tad too warm. be sure you cannot burn on the hoses.
I like my tunnel, and it gives me an armrest for cruising, unlike the standard or indeed no tunnel.
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I also have an armrest when going on distances like Donny show, the space between the seats without the tunnel is just the right size for my 3 man tent come armrest
Adam If you're using paddleshift gearchange and your ignition switch is on the dash, there's enough room in the tunnel, the std r1 setup has extra coolant hoses from the water cooled oil cooler that take space in the tunnel. I know you have an oil cooler, but that could be fitted at the rear like the mevabusa if you choose to run the cooler.