Search found 15 matches

by Jj27
Tue Nov 25, 2025 7:46 pm
Forum: R1 98-99 4XV
Topic: Head bolts
Replies: 1
Views: 320

Re: Head bolts

Its cool sorted it , smaller thread section goes up over :D brain lock there for a min or twodaft sod…login to view the rest of this post
by Jj27
Tue Nov 25, 2025 6:47 pm
Forum: R1 98-99 4XV
Topic: Piston rings help
Replies: 4
Views: 992

Re: Piston rings help

Soz for late reply. 21500 miles and bores looked like new mate loads of cross hatch left no marks or lips ,, a good one i guess :Dlogin to view the rest of this post
by Jj27
Tue Nov 25, 2025 6:43 pm
Forum: R1 98-99 4XV
Topic: Head bolts
Replies: 1
Views: 320

Head bolts

Hi guys .this may sound stupid to some but need an answer on this to be sure , so im rebuilding my 99 4xv engine , wich way round do the cylnder head …login to view the rest of this post
by Jj27
Wed Sep 24, 2025 6:33 pm
Forum: R1 98-99 4XV
Topic: My Yamaha R1 4XV is...
Replies: 127
Views: 32008

Re: My Yamaha R1 4XV is...

My r1 4xv is blue .. and a money pit and after two years still in a million bits . Nearly there tho .. next year it will be all. Ahhhhhhhhh …login to view the rest of this post
by Jj27
Sun Sep 21, 2025 3:06 pm
Forum: R1 98-99 4XV
Topic: Metal coolant pipes
Replies: 0
Views: 1007

Metal coolant pipes

Anyone make the two metal coolant pipes on rocker cover for a 99 4xv or they oem only . ..
Another thought , has anyone threaded the head and fitte…login to view the rest of this post
by Jj27
Sun Sep 21, 2025 2:59 pm
Forum: R1 98-99 4XV
Topic: Piston rings help
Replies: 4
Views: 992

Re: Piston rings help

Yes mate no info .. so i spoke to s guy i know who is a yamaha mechanic and sorted it . So for thise who need this , no 1 ring is the bronze one with …login to view the rest of this post
by Jj27
Tue Sep 16, 2025 2:56 pm
Forum: R1 98-99 4XV
Topic: Piston rings help
Replies: 4
Views: 992

Piston rings help

Hi , i need a bit of help and my mind is just confusing itself , so rebuliding my 99 4xv engine which is in good condition when i stripped it all down…login to view the rest of this post
by Jj27
Wed Jun 04, 2025 5:48 pm
Forum: R1 98-99 4XV
Topic: Wireing help
Replies: 5
Views: 1894

Re: Wireing help

Yep i can relate to that one .. well i had mine on trickle charge for ages in garage and my brother wanted something behind it so took charger off and…login to view the rest of this post
by Jj27
Tue Jun 03, 2025 4:47 pm
Forum: R1 98-99 4XV
Topic: Wireing help
Replies: 5
Views: 1894

Re: Wireing help

Thanks moise , so thars a non runner as not going to change all that to run the 5jj harness i have , mmmmm scratching head now as well just cant sea…login to view the rest of this post
by Jj27
Thu May 29, 2025 4:00 pm
Forum: R1 98-99 4XV
Topic: ......
Replies: 0
Views: 4131

......

Just building posts so i can look in for sale bit guys 👍login to view the rest of this post
by Jj27
Wed May 28, 2025 8:34 am
Forum: R1 98-99 4XV
Topic: Wireing help
Replies: 5
Views: 1894

Wireing help

Hi guys , as most here have more knowledge than i i need a bit of help please, as i find myself struggleing to find a main harrness for my 99 4xv , so…login to view the rest of this post
by Jj27
Mon May 26, 2025 4:08 pm
Forum: Tips n Tricks
Topic: Remove inlet valves without compressor in a pinch
Replies: 0
Views: 7739

Remove inlet valves without compressor in a pinch

Hi this may help someone .so i removed my exhaust valves from my 4xv head today with a valve spring compressor no ussues but when i came to the inlets…login to view the rest of this post
by Jj27
Mon May 26, 2025 3:38 pm
Forum: R1 98-99 4XV
Topic: 4xv valves
Replies: 3
Views: 1519

Re: 4xv valves

Thanks for the help and advice guys , its apprieciated more than yiu know , so checked the bores and no lips no cracking between them so all good , wa…login to view the rest of this post
by Jj27
Thu May 15, 2025 7:56 pm
Forum: R1 98-99 4XV
Topic: 4xv valves
Replies: 3
Views: 1519

4xv valves

Hi, new here so a bitt confused if im doing this right , but hey ho , i have a question some of you guys may be able to help me with so ive a 99 4xv e…login to view the rest of this post
by Jj27
Thu May 15, 2025 7:46 pm
Forum: Newbies
Topic: Newbie
Replies: 1
Views: 2622

Newbie

Hello , new to here , and a bitt confused as to how it all works :)