We are a Uk ltd company est 1972 we aim for next day delivery when poss
All the items we list are in stock ready for immediate despatch
This kit has a specially modified piston in it to ensure correct valve clearance is maintained
With you using your 125 cc cylinder head piston will not catch on head or crank due to oversize
Here we have a Big bore kit for A Yamaha Ttr125 150CC inc highlift camshaft CDI and carb
bore size 57.5mm
big increase ,Please check the photo the kit you see in the photo is the kit you get ,
gives you a hell of a difference makes hill climbs easy pulls 1 gear higher everywhere ,
straight fit kit no mods to do just fit back as old 125 came of and your done 25 more cc
Comes with full fitting instructions if you want we can post or email them
This is a OE spec cylinder relined and bored to 150cc patterned modified in the uk 150 piston kit and oversize gaskets
Kit consists of bellow
You can buy with confidence from a UK company big bore kits in the UK
MADE TO BE STRAIGHT FIT WITHOUT HASLE ,ALLWAYS AT THE END OF A PHONE FOR ADVICE ETC. AND FOR FURTURE SINGLE ITEMS GASKETS OVERSIZE PISTONS ETC
delivering from the UK
CARRYING STOCK IN UK
UNLIKE MANY OTHERS ON HERE
Delivering to your door within 2 days
AVT AUTOPARTS ltd
82/84shields road
Byker
Newcastle upon Tyne
Ne61ds
Tel 07773070793 Colin lee
No76 Skye Adams flat track racer seen in last two photos who runs our kit on her bike Part of berlt racing team Showing the boy's the way with some girl power 😂😂😂👍👍🏁🏁 Go on syke you show them
IMPORTANT BERLT BIGBORE KITS ARE FOR COMPETITION USE ONLY
TRACK DAYS / DIRT RACING/ CLOSED CIRCUIT RACING ONLY
NOT SUITABLE FOR ROAD USE
IMPORTANT GOODS SENT TO WORLD WIDE DESTINATIONS CAN NOW BE SUBJECT TO EXTRA GOVERNMENT TAXES/DUTY ON ARIVAL TO YOUR COUNTRY THIS HAS NOTHING TO DO WITH US AND IS BEYOND OUR CONTROL PLEASE CONTACT YOUR GOVERNMENT /POST OFFICE