…login to view the rest of this postSearch found 20 matches
- Sat Sep 12, 2026 9:14 pm
- Forum: R1 98-99 4XV
- Topic: Can this be fixed
- Replies: 4
- Views: 1261
- Wed Sep 09, 2026 9:29 pm
- Forum: R1 98-99 4XV
- Topic: Can this be fixed
- Replies: 4
- Views: 1261
Re: Can this be fixed
Sorted mate took to specialist and getting it sorted
…login to view the rest of this post
…login to view the rest of this post- Sun Sep 06, 2026 12:02 pm
- Forum: R1 98-99 4XV
- Topic: Can this be fixed
- Replies: 4
- Views: 1261
Can this be fixed
https://i.postimg.cc/CzNq34yM/20260905-175602.jpg
Anyone any recomendations to fix this caesing crack . Leaking oil.and well im gutted fresh engine …login to view the rest of this post
Anyone any recomendations to fix this caesing crack . Leaking oil.and well im gutted fresh engine …login to view the rest of this post
- Sun Aug 23, 2026 7:12 am
- Forum: R1 98-99 4XV
- Topic: My Yamaha R1 4XV is...
- Replies: 128
- Views: 62454
- Sun Aug 23, 2026 7:02 am
- Forum: R1 98-99 4XV
- Topic: Earth fault maybe
- Replies: 1
- Views: 1574
- Tue Nov 25, 2025 7:46 pm
- Forum: R1 98-99 4XV
- Topic: Head bolts
- Replies: 1
- Views: 3972
Re: Head bolts
Its cool sorted it , smaller thread section goes up over 
brain lock there for a min or twodaft sod…login to view the rest of this post
brain lock there for a min or twodaft sod…login to view the rest of this post- Tue Nov 25, 2025 6:47 pm
- Forum: R1 98-99 4XV
- Topic: Piston rings help
- Replies: 4
- Views: 5168
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 …login to view the rest of this post
…login to view the rest of this post- Tue Nov 25, 2025 6:43 pm
- Forum: R1 98-99 4XV
- Topic: Head bolts
- Replies: 1
- Views: 3972
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
- Wed Sep 24, 2025 6:33 pm
- Forum: R1 98-99 4XV
- Topic: My Yamaha R1 4XV is...
- Replies: 128
- Views: 62454
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
- Sun Sep 21, 2025 3:06 pm
- Forum: R1 98-99 4XV
- Topic: Metal coolant pipes
- Replies: 1
- Views: 5953
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
Another thought , has anyone threaded the head and fitte…login to view the rest of this post
- Sun Sep 21, 2025 2:59 pm
- Forum: R1 98-99 4XV
- Topic: Piston rings help
- Replies: 4
- Views: 5168
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
- Tue Sep 16, 2025 2:56 pm
- Forum: R1 98-99 4XV
- Topic: Piston rings help
- Replies: 4
- Views: 5168
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
- Wed Jun 04, 2025 5:48 pm
- Forum: R1 98-99 4XV
- Topic: Wireing help
- Replies: 5
- Views: 5111
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
- Tue Jun 03, 2025 4:47 pm
- Forum: R1 98-99 4XV
- Topic: Wireing help
- Replies: 5
- Views: 5111
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
- Thu May 29, 2025 4:00 pm
- Forum: R1 98-99 4XV
- Topic: ......
- Replies: 0
- Views: 6669
- Wed May 28, 2025 8:34 am
- Forum: R1 98-99 4XV
- Topic: Wireing help
- Replies: 5
- Views: 5111
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
- Mon May 26, 2025 4:08 pm
- Forum: Tips n Tricks
- Topic: Remove inlet valves without compressor in a pinch
- Replies: 1
- Views: 12961
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
- Mon May 26, 2025 3:38 pm
- Forum: R1 98-99 4XV
- Topic: 4xv valves
- Replies: 3
- Views: 5737
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
- Thu May 15, 2025 7:56 pm
- Forum: R1 98-99 4XV
- Topic: 4xv valves
- Replies: 3
- Views: 5737
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
Newbie
Hello , new to here , and a bitt confused as to how it all works 