ANY QUES­TION AN­SWERED Q Why do my tyres keep de­flat­ing?

If we don’t know the an­swer, we’ll find the per­son who does Will an ex­haust give my CBR125R more power?

Motorcycle News (UK) - - Garage -

The tyres on my Yamaha XJ600 keep de­flat­ing, even af­ter though I have taken them off five times and had the wheel rims cleaned up. The tyres are about three years old. Alan Rum­ford, Ley­ton­stone

An­swered by Bryn Phillips, Cam­brian Tyres The only way to find the source of the leak is to slowly ro­tate the tyre and wheel assem­bly in a wa­ter-filled bath and look for bub­bles.

For both tyres to be de­flat­ing at the same time my money is on prob­lems with the bead seat area of the wheel, which you’d see as air bub­bles es­cap­ing be­tween the tyre and the rim. This area can be­come cor­roded and if a tyre has been in po­si­tion


I’ve got a 2010 Honda CBR125R and I want to change the ex­haust, maybe up­ping the power too. What are my op­tions? Ed Sim­mans, Bark­ing

An­swered by Chris Dabbs, MCN Sim­ply fit­ting a dif­fer­ent ex­haust, ei­ther an end can or a com­plete sys­tem, will not in­crease the power as the valve size, cam tim­ing and com­pres­sion ra­tio would also need chang­ing. What you can do is change the look with car­bon­fi­bre, stain­less steel or even ti­ta­nium end cans, or per­haps save a bit of weight, too.

Af­ter­mar­ket cans mean los­ing the cat­alytic con­verter and they have a re­mov­able baf­fle for a fruitier ex­haust note. As a gen­eral rule the shorter the can, the louder the sound.

I was re­cently in­volved in a very mi­nor ac­ci­dent. I wasn’t in­jured and there was only min­i­mal paint dam­age on my bike. It seemed my in­surer for­warded my de­tails to one law firm, who passed it on to another law firm, who in turn have got an ac­ci­dent man­age­ment firm on my case to per­suade me to make a claim.

I had been given the ‘sales spiel’ to make it seem OK to put in a whiplash claim, but when I told them this was mo­rally sus­pect I was told that: “If I don’t put in a claim, they will put in a third-party claim against me per­son­ally.” This is dis­con­cert­ing and wor­ry­ing. John Rollinson, email If you weren’t in­jured any claim you made would be fraud­u­lent, and not do­ing so would not af­fect any claim against you, which would be paid by your in­sur­ers any­way. De­spite legislation in 2013 out­law­ing re­fer­ral fees be­ing paid by solic­i­tors to “buy” claims, the re­la­tion­ship be­tween in­sur­ers and their panel solic­i­tors re­mains a grey area. Ac­ci­dent man­age­ment com­pa­nies com­pli­cate things fur­ther still, be­cause un­like solic­i­tors they are not heav­ily reg­u­lated.

In­stead the Claims Man­age­ment Reg­u­la­tor has a far looser code of con­duct for how claims should be made. Loose as it may be how­ever, clearly this sort of pres­sure to make a fraud­u­lent claim must be in breach of that code.

You should raise this com­pany’s con­duct with the Claims Man­age­ment Reg­u­la­tor on 0333 200 0110, or www. claim­sreg­u­la­

Akrapovic Ar­row Cor­ro­sion on the XJ600’S cast wheels may cause the bead area to leak air Re­mus Falco’s smokey start-ups could be noth­ing more than a split clutch vac­uum pipe Scor­pion Fac­tory

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