Big Bore Kits for Hinckley Bonnevilles, Scrambler, Thruxton

[The Seeker]

Stock and performance parts source for Hinckley Triumphs.....Triumph Performance USA it's the High Performance Aftermarket division of South Bay Triumph.

The heart and soul of the company is owner Matt Capri.

With more than 40 years of experience with British and German bikes, and worked his way to the pinnacle of motorcycling by winning championships and setting land speed records. Since the introduction of the Hinckley Triumph Bonneville in 2001, we have concentrated our efforts on improving the bike in every category, from performance and handling to ergonomics, custom personalization and beyond. It is now our pleasure to announce that every new Triumph owner, anywhere in the world, can enjoy the parts that we has spent countless hours researching, developing and testing...

From simple bolt on cosmetics to fully modded "hot rod" bikes, everything you need to personalize your bike is right here.Feel free to e-mail us or call. We hope you enjoy your visit to our house..!

IF YOUR NEEDS ARE ORIGINAL EQUIPMENT MANUFACTURING PARTS (stock Triumph) E MAIL US WITH YOUR REQUEST.WE CARRY EVERYTHING FOR ALL HINCKLEY TRIUMPH MODELS AT 10% OFF FOR OUR TPUSA WEBSITE CUSTOMERS


Triumph Performance USA

 

[CarlS]

I know several folks that have installed big bore kits in their Bonnies. To me, the gains were not worth the costs.

 

[The Seeker]

I really wouldn't think so either....but some folks just love to say they've got something special too.

 

[CarlS]

Exactly. It is not like one is going to make superbike out of a Bonneville.

 

[DaveM]

I agree and when I looked at doing it on my bike the cost was also just not worth the gain either

 

[Rocky]

My buddy Don had a Harley 883 Sportster and had the 1200 big bore kit installed for quite a bit of money.
The bike vibrated even more and the power gain was very little.
It was a big mistake, and after he lost a second mirror due to vibration, he traded it in on a T100 Bonneville which he still has.
He lost a lot of money on the trade, but at least he's happy now and time has eased the pain

 

[DaveM]

I say if you really feel you need more power then rather go for another bike that already has it.

 

[Rocky]

I say if you really feel you need more power then rather go for another bike that already has it.

That has always been my philosophy. Trying to make a silk purse out of a sow's ear is OK I suppose, but it's not for me.
It seems to me that the time, trouble and cost of making a slower bike into a super bike is just too much trouble.
But lots of people do it - or at least try to. If a new second bike isn't in the budget, there are lots of second-hand bikes that should fill the bill.
When I feel the need for speed I jump on my H***a 900. Compared the bikes now available it's not all that powerful, but with 110hp it moves along pretty well

 

[shanered6]

theres far better ways to make a bike quicker than big bore kits , (which dont work ! ) look at valves , ports, igntion timing , fly wheel , carburation and so on , big bore kits dont work as everything else is set to the lower capacity .
increasing c,c's on its own is a waist of good money !
as you all say buy another bike ! or in most cases just improve your riding skills

 

[Rocky]

theres far better ways to make a bike quicker than big bore kits , (which dont work ! ) look at valves , ports, igntion timing , fly wheel , carburation and so on , big bore kits dont work as everything else is set to the lower capacity .
increasing c,c's on its own is a waist of good money !
as you all say buy another bike ! or in most cases just improve your riding skills

Well said

 

[Rocky]

If anyone asks me about buying a first or only bike I caution them to think hard about it and how they may be using the bike over time. Casual riding often turns into touring with maybe a little off-road or dirt roads thrown in.
If the bike is too specialized (plastic covered crotch rocket) it may be too limiting if you want to travel, for example.
Middle-of-the-road bikes may not have the panache with your friends, but will be much more flexible in real use.
But if you can afford it, have more than one bike

 

[CarlS]

theres far better ways to make a bike quicker than big bore kits , (which dont work ! ) look at valves , ports, igntion timing , fly wheel , carburation and so on , big bore kits dont work as everything else is set to the lower capacity .
increasing c,c's on its own is a waist of good money !
as you all say buy another bike ! or in most cases just improve your riding skills

Very well stated. I agree.

 

[The Seeker]

Since the new Trophy is so expensive and since it has 15 more cc than my present 4 cylinder 1200, I could chop off one cylinder and have a brand new 2013 Trophy without the cost and gain 15 extra cc.

Then I could super glue that extra cyclinder onto my '78 T140's motor and make it into a Trident!!

Geez...sometimes I amaze even myself with my sheer genius!

 

[CarlS]

Be sure to take pics!

 

[The Seeker]

I'll try, but sometimes the sheer awesomeness is just too much for digitization through refracted waves of light....I hate when that happens!



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[DaveM]

 

[shanered6]

I'll try, but sometimes the sheer awesomeness is just too much for digitization through refracted waves of light....I hate when that happens!



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i know its terrible when that happens .......i always use a mirror !