Chain & Sprocket Survey							Compiled & Edited by Norm#874
OWNER	YEAR	MODEL	MILES	SYMPTOM	FIX	COST	PARTS	TIPS
#1061	94	Classic	29k	Master link worn; chain clicking	New chain in’99; need to replace NOW			Chain Wax every 200m; monthly cleaning
#982	95		18k		New chain @ 13k
#562	96	Classic			14.9k on chain #1, 13.1k on chain #2, 915m on chain #3		OEM, DID520VM, DID520VM
Reggie	96	Classic	19.4k	C&S OK	Sold in ‘99	None	None	Chain only adjusted 3 times! Scotoiler
#668	97	Classic	45k	None	3rd Chain	None	BMW stock C&S, BMW stock sprockets,	Removed swingarm to replace chain.
#230	97	Classic	27k	None	New chain @ 13k		DID520VM	Oil chain every 250m; used chain breaker, so no wheel/swingarm removal
#417	97	Classic	64k	None	4th C&S @ 15k intervals		DID520VM @ Kiernan Racing	After 15k, ride suffers from chain chatter; used rivit link.
#582	97	Classic	36.1k		DID O-ring @11k, DID x-ring @32K with sprockets	$130	onroadoffroad.com	Lube with WD40 and Chain Wax
#888	97	ST	14.2k	surging chain & pops when shifting	New Chain and Sprockets	$194 incl. Labor	EK O-ring Chain $66.50 rear sprocket $41.92 front sprocket $36.87  Labor $48	Chain seemed good until 12,500 miles, then went downhill fast. Chain wax every 1000-1500 m.
#959	97	Classic	17.9k	None	OEM C&S, 15t Front sprocket	None	None	Chain wax every 200-300 m.
McGyver	97	Classic			Replaced chain @13k with Tsubaki non-o-ring; sprockets OK			Non-o-ring rolls easier, lube penetrates rollers, ½ the price; OEM chain had tight/loose spots causing vibration.
#782	97	Classic	18.5k		OEM chain replaced @ 12.5k, New chain broke @ 17.5k		DID520VM, 520VM	Would have replace sprockets with second chain.
#436	97	Classic			Replaced OEM chain @ 8k; C&S will be due soon (21k now)		DID520VM	Hacksawed off; used masterlink with silicone to keep clip in place.
#982	99		15k	None	New C&S @ 12.5k	~$200		Used chain breaker; monitor Scotoiler—PITA to refill
#678	99	Classic	30k	None	New chain @12.4k, New C&S @ 26.6k	$40US-Rear, $34US-Front	BMW Sprockets, 27712345334, 23002342381
Shank	99	Classic	24.3k	None	OEM C&S @ 15k, (Chains last ~10k)		Lindner BMW	DID chain now, but Tsubaki next; lube with Chain Wax
#550	99	Classic	14.2k		Replaced OEM C&S @ 13k		DID520VM with clip masterlink, sprockets from onoffroad.com	Chain took all day to change, but FAQ were excellent
#403	99	Classic	23k		C&S replaced @10K; added Scotoiler, too.	$75, (competitionaccessories.com), $100 Tool	DID520VM, DID Chain Tool	Used grinder to cut old chain; @ 8k clip fell off master link; replaced with rivit link.
#391	99	Classic			@ 12.2k, replaced OEM C&S	$109.76, $35-F, $41-R	Chain, Sprocket, Sprocket	Original chain kinked; wouldn’t stay tight.
Bernard	99	Classic			Replaced OEM chain @ 11k; replaced rear sprocket		DID720 x-ring	Chain Wax every 600m.
#699	00	Classic	20k	None	Added Scotoiler
#626	00	GS	14.3k	Sloppy chain; bent sprocket teeth	New C&S @ 14k	$133US, $40US, $44US	Chain-DID520VM x-ring, BMW Front Sprocket-16t, BMW Rear JT 49t	Scotoiler on bike since 7.8k
RDW	00	GS	18.9k	None	New chain		OEM	Use Bel Ray chain lube every 500m when warm to penetrate link
#668	01	Dakar	17k		2nd Chain		DID520VM gold chain
#417	01	Dakar	6k	None	Stock chain
Mike	01	GSD	7.1k	Wear on rear sprocket, front OK, chain 50%	None	None	None
#1095	01	GS	6.7k	None	None	None	None	All good.
#1021	Unknown		7.1k	None	None	None	None	Chain Wax lube every 3-400m.
#618	Unknown			Chain stretched	C&S replaced @ 13K		DID520VM (onoffroad.com), Rear sprocket is 50t aluminum; after 5k, chain OK, sprocket wearing	Motion Pro chain tool; get DID tool; use rivit link for master link.
If you'd like to add to/modify this list, please send an email to faq@f650.com, with the above information. Please add to it. !