Tyres

[sgd37]

Hey guys!

I'd like to replace the tyres that came with the bike. So the manual says it takes front/back 3.25-19 /3.5-18 but I don't know what speed or weight rating I should go for. From the research I've done the Heidenau K34 seem to be the most appropriate.

Does any one have any recommendations? Can I fit a 3.5-19 on the rear wheel?

Much appreciated

[hairygit]

As regards speed rating, you need "H" rated tyres, or "V" rated if they are designated for tubeless use, using a tube in tubeless tyres knocks the speed rating down one level. No, you cant fit a 19 inch tyre on an 18 inch rear wheel.

[Colonial-Clive (yindi)]

Try central tyres Birmingham the have Dunlop TT 100s in stock period for the bike

[sgd37]

Thanks but I'm a bit far away from birmingham.  Would S rating not be enough? I cant seem to find an 3.50-18 H online

[hairygit]

No, "S" rating is 93 M.P.H. rating, you need at least "H" rated

[sgd37]

Actually the site lists S as 112mph

https://www.oponeo.co.uk/moto-tyre-details/heidenau-k34-3-50-18-62-s-front-rear-tt-m-c#148861762

[hairygit]

Not sure an efficient M.O.T. man would find that acceptable, you want something rated a fair bit higher than the bikes top speed, that is very close to the mark. I'd lay money Honda recommend "H" rated tyres for all the sohc fours. That said, it's your bike, and your life, if a tyre fails at speed, you could easily lose both.

[sgd37]

Ill keep looking then. Could I use a 4.00-18 ?

[JamesH]

I actually run a 4.00 / 18 on the rear of my 500/550's and don't have any issues.  (Yet). I'm sure the more senior / experienced members on the forum will shoot me down. I run continental rb2/k112 and really like them.

M&P do good deals on a pair...

https://www.ebay.co.uk/itm/141307000267

[Johnwebley]

I use Avons. 3.25 x 19 F.and 4.00 x 18 R.
Really good

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[MCTID]

Try       http://www.vintagetyres.com/

I gave up trying to buy K70's for my CB750K4....it's a long story which lasted many months....and eventually bought Avons from Vintage Tyres.

A competitive price and they arrived next day with free P & P.

Only drawback was the cost of having them fitted to my loose wheels........£40 was a bit steep - but needs must.....and after the months long saga of getting Tyres, I'd had enough TBH.

[Ashdowner]

I run a 4.10 x 18 Pirelli on the back and the stock size Pirelli on the front and I'm really happy with them.

[Green1]

I actually run a 4.00 / 18 on the rear of my 500/550's and don't have any issues.  (Yet). I'm sure the more senior / experienced members on the forum will shoot me down. I run continental rb2/k112 and really like them.

M&P do good deals on a pair...

https://www.ebay.co.uk/itm/141307000267

Who told you about those James 
I run them on the 550 and 750
My 550 and 750 both have 4.00/18 on the rear

[sgd37]

John, Do you have a source for the avons you use? and what name do they have specifically are they S or H rated?

Cheers everyone

[mike the bike]

Avon Roadriders.  Love em, it's like a different bike with them on.