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Modified Engines

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new	Valve clearance question

madmax

1,163

by madmax
Oct 15, 2011 6:36:23 GMT -5

new	XS Performance camshaft

madmax

5,057

by madmax
Oct 6, 2011 12:00:23 GMT -5

new	750cc kit-reliable? User friendly?

rz5mark

1,572

by madmax
Oct 6, 2011 11:39:22 GMT -5

new

break in

jefferytodd

829

by xsleo
Aug 14, 2011 21:08:21 GMT -5

new	Engine angle

teamsd46

1,285

by xsleo
Aug 8, 2011 21:40:55 GMT -5

new	270-90 rephase

dustys86

1,102

by xsleo
Jun 9, 2011 13:19:42 GMT -5

new	bulletproofing my next xs

wesxs

1,333

by pamcopete
Jun 9, 2011 6:22:46 GMT -5

new	Ignition timing mark out of range on 277 Pamco

fermatseye

1,961

by fermatseye
Jun 7, 2011 11:48:42 GMT -5

new	won't stay in first gear, noise around 3000 rpm

twinfan

622

by twinfan
May 25, 2011 22:10:23 GMT -5

new	degreeing stock (rephased)256 cam

twinfan

1,531

by twinfan
May 11, 2011 4:59:18 GMT -5

new	engine rebuild with rephase and mikes 5th

twinfan

1,114

by ShakerNorm
Apr 25, 2011 21:58:23 GMT -5

new	Engine build, rephase+750 or 880 cc?

arcticxs

2,837

by caferacer707
Apr 11, 2011 22:54:33 GMT -5

new	256 cam v.s. 447 cam

twinfan

1,342

by twinfan
Mar 23, 2011 18:06:42 GMT -5

new	Does this look right? Port and Polish Pages: 1 2 3

fat xs650

6,250

by ShakerNorm
Feb 28, 2011 19:43:20 GMT -5

new	Piston Identification.

whick

1,123

by xsleo
Feb 27, 2011 17:48:25 GMT -5

new

HEAD SWAP

rourko

821

by xsleo
Feb 27, 2011 17:29:35 GMT -5

new	750 big bore kit question Pages: 1 2 3

btowngixxer

8,165

by grizld1
Jan 27, 2011 10:42:45 GMT -5

new	pesky base gasket

jefferytodd

1,221

by jerry57g
Jan 21, 2011 12:21:47 GMT -5

new

rephase

jefferytodd

2,549

by punkskalar
Jan 3, 2011 23:50:22 GMT -5

new	750 cylinder O rings

markee

501

by madmax
Dec 6, 2010 4:53:41 GMT -5

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Modified Engines

Modified Engine Discussion

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motormike: Good Day ...just a FYI.. Wild Cat is this Labor Day weekend. Still go'n on. A few 650's still make the scene. Various rides at different skill levels each day.. awards dinner sunday eve. BS in the park'n lot after dinner.

Aug 23, 2016 7:57:01 GMT -5

lsettle: First post in over 6 years! Aug 28, 2016 19:45:17 GMT -5

kardon: Wow quiet here, where did they all go. Oct 7, 2016 2:18:13 GMT -5

gggGary: XS650.com LOL Feb 16, 2017 20:49:02 GMT -5

buell88: Anybody have any idea who built the xs650 tracker used in the Draggin Jeans Ad on Pipeburn? May 16, 2017 16:24:09 GMT -5

joshua: The regulator/rectifier unit I got from Mikes PMA has closer hole spacing than original. Are we supposed to mill the holes to fit? Jun 7, 2017 19:25:58 GMT -5

joshua: My bad. I found the bracket they supplied to mount the rectifier/regulator... Uh oh. How is this meant to work? Which way is it meant to mount? Looks like I have to use some spacers or something. Good instructions would be nice. Jun 7, 2017 22:09:52 GMT -5

craig8johnson: Not sure if this is the right spot or not but oh well... Jul 11, 2017 18:04:15 GMT -5

craig8johnson: I'm checking the charging system. I'm afraid I might have fried the last battery. With the solid state regulator (after market) what should it be charging at. The book says, I think, 15 volts. I'm hitting 17 when revved. Is that too high? Jul 11, 2017 18:06:19 GMT -5

gggGary: Yes 17 volts is too high, about 14 volts is max, sounds like you don't have the right regulator or it's wired wrong. Jul 13, 2017 6:54:33 GMT -5

dean: Just saying Hello, new member who is going to fix up a 79 XS650 that has seen its better days. I will definitely have lots of questions coming up. Jun 23, 2018 16:45:32 GMT -5

tt650: Trying to breathe life into a 1980 that's been stored (indoors) for 25 yrs. Air filters are dry rotted. Have cleaned carbs but she only runs briefly on choke then stops. Need jet setting info and other ideas that might help her idle and rev. Jul 3, 2018 19:15:19 GMT -5

trix13: Hey everyone! New to the forum and am fighting those gremlins!! New charging system, ignition switch, coil and fuse box. Resistance is higher than normal on the ignition pick up so I'm trying to find one. No such luck yet. Aug 16, 2018 8:50:48 GMT -5

trix13: Also, even though all of my connections are clean, I cannot seem to find out why , when at higher rpms, I hit the signals and the rpms pulse with the signals...hahah. same with the brake light. I appreciate all input!! Aug 16, 2018 8:55:08 GMT -5

bob99: how do I post a question. I am new to the forum Jun 6, 2019 10:52:10 GMT -5

adlpc: Hello all! Been enjoying your edifying posts and discussions - and as a fan of the XS650 since my early teenage years happy that I now own a 1980 Special which I plan to turn into a vintage half faired racer. Thank you all for being here! Oct 1, 2019 0:58:56 GMT -5

jimothyj: Hello everyone, I just joined & wish would have known about this site in 2014 when I brought my 1974 TX650A back from the grave. I have spent a good deal of $$ and alot of time on it. Just painted it and working on electrical, I will post pics soon, Apr 10, 2021 2:14:13 GMT -5

louisvan: trix13 - I had a problem with my 1975 SX650. When I got to highway speeds, the engine lost power. The problem was in the connectors. At a certain vibration and the wind pushing on the wiring loom, the connector lost continuity. A bad crimp to the wire. May 20, 2021 1:19:09 GMT -5

deadlykittin: Hey guys,. i have a 82 xs650 special, super new rider, with almost no knowledge on bikes. So was just riding it, getting used to the clutch and all that. But i was noticed its really hard to get the bike to start, using electric start. And the kick pump--- Aug 4, 2022 17:09:55 GMT -5

deadlykittin: loses compression after the first kick. Ontop of that, i noticed it 1, wont go into neutral when sitting still. and now it dies after getting it started in neutral and going into gear Aug 4, 2022 17:11:01 GMT -5