BEFORE YOU READ THE DESCRIPTION CRANK CASES MUST BE BORED OUT TO FIT THIS KIT

Unless you have a XL125R XL125RC OR TLR125 FEILD TRIPPER IMPORT STRAIGHT FIT ON THEM AS THEY HAVE THE 68MM CRANKCASE OPENING AND IT WILL FIT IN


61mm bore 150cc

68mm liner outer dia

SO YOU CAN BORE THIS CYLINDER OUT TO UP TO 65.5MM

SEE OTHER LISTINGS FOR STRAIGHT FIT KIT

Here we have a  Big bore kit for a Honda TL125 (150cc ) 26cc INCREASE  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 ,mods needed to crankcases on earlier tl125.   This listing is for the big kit full size 68mm spigot that can be upgraded to up to 65.5mm at a later date , We can supply you with a 63.25mm spigot for early bikes with small 63.5mm crankcase openings photo of both std 68mm spigot and machined down 63.5mm is the last two photos ,for 63.5mm straight fit no mods to crank case ,see other listing

But this will means can not be rebored to 63.5 65.5 mm at later date  as bore is 61mm and crankcase hole is 63.5.

To fit  cylinder as is it has a 68mm spigot so you can bore up to 63.5 or 65.5 mm  tlr200 bore size.  you must enlarge your crankcases to 68mm if you don't have the big crankcases ,which is outer dia of sprigot on cylinder  which is easy to do just using the new 68mm base gasket as template it's only a lip you have to remove

Photos of both cylinders attached side by side  early 63.5 crank case and late 68mm crank case  

This is a big fin cylinder for better cooling sim to tlr200 size fins relined and bored to 150cc patterned modified in the uk piston kit and oversize gasket set

everything in the photo you receive 

On XL125rc and late TL125  this kit is striaght fit as crankcases are 68mm dia hole 

This is not the straight fit kit for early engines please read whole listing 


Early Straight fit kit with smaller 63.50mm spigot is £179.00 see other listing

Photo of 63.25 and 68mm spigot cylinders. attached all we do for the 63.5mm is turn down the 68mm one for you that's the only difference

See photos of future size over ore piston kits that you can buy for rebore at later date if you buy this full size 68mm spigot kit

Spigot is the part that fits into the crankcase on the cylinder 

You can buy with confidence from a UK company making or modifying these big bore kits in the UK TO BE STRAIGHT FIT WITHOUT HASSLE  ,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 Delivering to your door within 2 days Lots of our parts are OE HONDA OR YAMAHA PARTS AVT AUTOPARTS ltd 82/84shields road Byker Newcastle upon Tyne Ne61ds Tel 0191 2650028 


Colin lee  07773070793 

Kit includes

61mm bore 150 cc alloy big fin cylinder

CNC finished top 61mm piston

61mm piston rings

15mm gudgeon pin

2 clips

61mm oversize head gasket

68mm oversize base gasket

IMPORTANT BERLT BIGBORE KITS ARE FOR COMPETITION USE ONLY

TRACK DAYS / DIRT RACING/ CLOSED CIRCUIT RACING ONLY

NOT SUITABLE FOR ROAD USE

Due to the highly tuned nature of the product


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