LT500R - Engine

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Weep hole leak Weep hole leak Bodhizafa1987 · August 29, 2016, 05:13:42 pm I put a new oil an mechanical water pump seal in last week an still leaking coolant from weep hole so my fix is gonna be this I'... 1 Replies · 1248 Views Started by Bodhizafa1987	1 Replies 1248 Views	August 29, 2016, 07:31:50 pm by Rainman56
Throttle cable spacers Throttle cable spacers Bodhizafa1987 · August 29, 2016, 05:25:55 pm Had an issue with my outer throttle cable being too short so to lengthen it I used automotive brake line tubbing. This stuff wor... 0 Replies · 1029 Views Started by Bodhizafa1987	0 Replies 1029 Views	August 29, 2016, 05:25:55 pm by Bodhizafa1987
Mechanical water pump seal Mechanical water pump seal Bodhizafa1987 · August 26, 2016, 09:28:52 am Only ? I have is when the impeller screw is tight is the spring on the mechanical water pump seal supposed to be fully compresse... 2 Replies · 1214 Views Started by Bodhizafa1987	2 Replies 1214 Views	August 27, 2016, 03:03:32 pm by Bodhizafa1987
Carb, head and others (recommendations) Carb, head and others (recommendations) AtacaZilla · August 11, 2016, 01:50:33 pm Hi guys I'm new in this forum and also a new zilla owner, recently bought 2 zillas 87 and 89, I'm going to restore the 89 first... 6 Replies · 1347 Views Started by AtacaZilla	6 Replies 1347 Views	August 12, 2016, 07:43:21 am by MotorGeek - Jerry Hall
Ebay mikuni carbs $130 quality? Ebay mikuni carbs $130 quality? 4-tracker · March 15, 2016, 04:10:31 am lt500r. In need of slide, needle, needle jet. Hard starting issues. If Ebay carbs are junk where can the 3 air leaking parts nee... 13 Replies · 2448 Views Started by 4-tracker	13 Replies 2448 Views	August 02, 2016, 06:37:05 am by Q2W
LT 500 Jetting LT 500 Jetting Marcman804 · October 06, 2015, 11:10:29 am I recently bought a Quadzilla and had it rebuilt. I went with the 517 Wiseco kit in the rebuild. Well it had no airbox with the ... 50 Replies · 11770 Views Started by Marcman804 « 1 2 3 »	50 Replies 11770 Views	August 01, 2016, 05:52:28 pm by Bodhizafa1987
Stock Carb jetting? Stock Carb jetting? Bodhizafa1987 · August 01, 2016, 01:51:07 pm Hey got a 87 Stock Zilla lookin to put a FMF Gold series exhaust on it I'm using the Mikuni Tm38ss carb/Stock 1 the main jets a ... 0 Replies · 1125 Views Started by Bodhizafa1987	0 Replies 1125 Views	August 01, 2016, 01:51:07 pm by Bodhizafa1987
1989 LT500R slight coolant leak@rear right cylinder to crankcase bolt boss. 1989 LT500R slight coolant leak@rear right cylinder to crankcase bolt boss. bryank30 · July 03, 2016, 02:29:12 pm Seeing a slight coolant leak at the right rear cylinder to crankcase boss. Its the cylinder not the gasket. Looks like coolant i... 13 Replies · 1507 Views Started by bryank30	13 Replies 1507 Views	July 11, 2016, 10:17:01 am by Glamisrider
87 lt500r start up idle issue....... 87 lt500r start up idle issue....... dennisgreener · May 22, 2016, 10:32:23 pm Hey all, new to this forum and to the zilla world. Just bought my first lt500r (have wanted one for years). I found an awesome 8... 28 Replies · 3507 Views Started by dennisgreener « 1 2 »	28 Replies 3507 Views	June 09, 2016, 04:47:17 am by Hotbutta
Aaen Hybrid pipe stock carb jetting? Aaen Hybrid pipe stock carb jetting? Rainman56 · April 25, 2016, 05:20:54 pm Looking for a good starting point for a LT500 engine with an Aaen hybrid pipe mild porting,head recut and O-ringed and stock 38m... 4 Replies · 1355 Views Started by Rainman56	4 Replies 1355 Views	April 27, 2016, 11:40:09 am by Rainman56
Quadzilla has me stumped! Quadzilla has me stumped! PurplePeopleEater · March 26, 2016, 09:41:35 pm I bought another Zilla and am trying to get her ready but am having trouble. When it's running it runs like a **** ape but is v... 22 Replies · 3484 Views Started by PurplePeopleEater	22 Replies 3484 Views	April 11, 2016, 07:23:10 pm by Hotbutta
Grey paste in exhaust port Grey paste in exhaust port Glamisrider · March 13, 2016, 10:35:43 pm Pulled my expansion chamber and took a look in the exhaust port.The piston skirt looks like it has a hazy grey finish on it and ... 19 Replies · 3334 Views Started by Glamisrider	19 Replies 3334 Views	April 11, 2016, 07:24:07 am by Q2W
LT500 with a KX500 Piston LT500 with a KX500 Piston LTZilla · April 02, 2016, 12:11:00 pm Has anybody ever ran this setup? Any mods need to be done for it to run correctly? What cha got? 2 Replies · 1414 Views Started by LTZilla	2 Replies 1414 Views	April 05, 2016, 05:14:25 pm by LTZilla
Piston Failure? Piston Failure? LTZilla · March 09, 2016, 06:10:53 pm Any ideas on what would cause 5 cracks on this piston? Too much HP? 19 Replies · 3712 Views Started by LTZilla	19 Replies 3712 Views	April 04, 2016, 03:47:44 am by Ywnmn
Set bump to pulse dot timing location? Set bump to pulse dot timing location? 4-tracker · March 30, 2016, 11:02:56 am I first tried to find this question before asking, friends! Please Quick question, if I may: Trying to get the closest for cor... 4 Replies · 1368 Views Started by 4-tracker	4 Replies 1368 Views	March 31, 2016, 10:36:53 am by 4-tracker
Crank and Piston identification. Crank and Piston identification. PurplePeopleEater · March 28, 2016, 01:55:59 pm Whats going on here? I have never seen this before. I wish I would have got better pics of the crank when it was out but I didn'... 13 Replies · 1590 Views Started by PurplePeopleEater	13 Replies 1590 Views	March 30, 2016, 06:48:28 pm by Glamisrider
Dry out lower end cavity w/ ether? Dry out lower end cavity w/ ether? 4-tracker · March 17, 2016, 03:47:04 pm Because of hard starting issues I was told to dry out lower end cavity w/ ether (maybe same as starting fluid) by spraying half ... 16 Replies · 1700 Views Started by 4-tracker	16 Replies 1700 Views	March 21, 2016, 10:48:07 am by 4-tracker
Lectron 44mm Still Banging Out on Top End ? Lectron 44mm Still Banging Out on Top End ? Beastzilla405 · October 14, 2012, 08:15:17 am I was just at little sahara last weekend and had a open space to open this beast up finely and it just would fall on its face wh... 43 Replies · 3694 Views Started by Beastzilla405 « 1 2 »	43 Replies 3694 Views	March 16, 2016, 09:40:53 pm by Stpltn250r
Loose Clutch Basket Loose Clutch Basket Q2W · March 09, 2016, 10:27:11 am So i was over at a friends house the other night tearing down his 500 motor after a recent failure.Checking over it for damage, ... 0 Replies · 626 Views Started by Q2W	0 Replies 626 Views	March 09, 2016, 10:27:11 am by Q2W
87 cylinder with Triple exhaust ports 87 cylinder with Triple exhaust ports redzilla · October 25, 2015, 11:59:32 am Is anyone interested in a 87 lt500 cylinder with triple exhaust ports? 19 Replies · 1975 Views Started by redzilla	19 Replies 1975 Views	February 27, 2016, 01:35:51 am by CT/YZ270pwb
crank bearing pocket question crank bearing pocket question 4-tracker · February 24, 2016, 05:36:41 am Bearing gasket popped out. noticed slight movement on crank rod. Will open up cases soon. Question - What is worn? If its the a... 4 Replies · 733 Views Started by 4-tracker	4 Replies 733 Views	February 25, 2016, 10:19:13 am by 4-tracker
Longer Crankcase Studs Longer Crankcase Studs PurplePeopleEater · February 24, 2016, 08:44:45 am Does anyone know where I can find longer crankcase studs? Or what size and pitch the factory ones are? I am thinking of doing so... 3 Replies · 705 Views Started by PurplePeopleEater	3 Replies 705 Views	February 24, 2016, 11:57:09 am by 87zillaman
Cutting cases to fit a center gasket Cutting cases to fit a center gasket Rossy · February 11, 2016, 02:05:09 pm My cases have a slight oil leak coming from near the swing arm mount from them being warped outward and away from each other fro... 4 Replies · 755 Views Started by Rossy	4 Replies 755 Views	February 19, 2016, 03:46:09 am by Ywnmn
Twist to thumb throttle cable for 39mm pwk 87 zilla Twist to thumb throttle cable for 39mm pwk 87 zilla PurplePeopleEater · February 16, 2016, 08:27:53 am Hello all. I just picked up an awesome 87 with purple plastic. It has had a lot done to it and one thing being a twist throttle.... 1 Replies · 520 Views Started by PurplePeopleEater	1 Replies 520 Views	February 16, 2016, 09:16:33 am by Glamisrider
blown head gasket; blowing coolant out overflow hose from reservoir. blown head gasket; blowing coolant out overflow hose from reservoir. 1987523 · January 24, 2016, 01:40:12 pm I have a 1987 500, bored 80 over, milled head,39 Keihin,bills pipe and silencer.Ordered and received a copper head gasket, says ... 8 Replies · 864 Views Started by 1987523	8 Replies 864 Views	January 27, 2016, 11:03:48 pm by El Diablo
5 second high idle after long hard run 5 second high idle after long hard run SuperNutt · January 01, 2016, 06:13:38 pm 87 zilla. Hpr bored and modified 87 TM38 carb. In Michigan. Worked great this past summer or I didn't notice the problem. Af... 9 Replies · 2263 Views Started by SuperNutt	9 Replies 2263 Views	January 24, 2016, 02:30:24 pm by SuperNutt
Transmission rattling noise? Transmission rattling noise? Ywnmn · December 13, 2015, 11:44:37 am hey guys, there's a rattle that sounds like it's coming from my trans on the shifter side. Sounds just like a bolt or something ... 17 Replies · 2285 Views Started by Ywnmn	17 Replies 2285 Views	January 24, 2016, 02:24:34 pm by Rainman56
blown head gasket blown head gasket 1987523 · January 24, 2016, 01:52:28 pm Blowing coolant out of overflow hose from reservoir. 0 Replies · 498 Views Started by 1987523	0 Replies 498 Views	January 24, 2016, 01:52:28 pm by 1987523
HRD Engine - Crankshaft modification(s)? HRD Engine - Crankshaft modification(s)? Rogue1970 · January 20, 2016, 03:34:02 pm Well, I **** my reinforced cylinder and broke my case a few weeks ago. You can see pictures in my build thread.My question i... 6 Replies · 862 Views Started by Rogue1970	6 Replies 862 Views	January 21, 2016, 09:25:15 am by MotorGeek - Jerry Hall
87 Lt500r clutch won't disengage 87 Lt500r clutch won't disengage Ywnmn · January 02, 2016, 04:31:48 pm I have a 87 500 and I have to pull in clutch lever, in neutral, so it will roll freely. It acts like it's in gear but it's not. ... 10 Replies · 1182 Views Started by Ywnmn	10 Replies 1182 Views	January 16, 2016, 09:50:38 am by Ywnmn
CDI box identification also sputter up top CDI box identification also sputter up top SuperNutt · May 03, 2015, 11:18:26 am Having an issue with my 87 zilla. Seems to burble or cut out in the higher RPM. Did this when I bought it. So I replaced the ... 11 Replies · 1611 Views Started by SuperNutt	11 Replies 1611 Views	January 16, 2016, 09:12:43 am by Rainman56
LT500R engine no spark LT500R engine no spark Rainman56 · January 09, 2016, 12:04:17 pm Ok have an lt500 engine with no spark.Cleaned the engine to mounts/frame for good ground coil is good.Changed the pickup/pulse c... 7 Replies · 3301 Views Started by Rainman56	7 Replies 3301 Views	January 11, 2016, 09:51:04 pm by MotorGeek - Jerry Hall
copper head gasket question copper head gasket question Yagerzzz · February 15, 2015, 10:13:20 pm Guys, my son is putting back together an '89 zilla top end, and I bought a copper head gasket for him. It was one that was thinn... 14 Replies · 2423 Views Started by Yagerzzz	14 Replies 2423 Views	December 16, 2015, 04:39:55 pm by Ywnmn
copper head gasket and permatex spray for germany ? copper head gasket and permatex spray for germany ? Frank · October 14, 2013, 12:14:05 pm where do I get a Copper head gasket and Permatex copper spray a gasket for Germany? 16 Replies · 1734 Views Started by Frank	16 Replies 1734 Views	December 14, 2015, 06:02:37 pm by Glamisrider
How to remove cylinder? How to remove cylinder? Cottondoc · December 11, 2015, 02:30:31 pm I know this is probably a stupid question and I could have found it had I searched. But I did try a quick search and didn't fin... 2 Replies · 856 Views Started by Cottondoc	2 Replies 856 Views	December 12, 2015, 07:36:53 pm by El Diablo