rotary engine components engine rotary item no 1 part number 4352-11-301 code req c description apex seal carbon 3 mm width apex seal iannetti model engine type 12a year notes 6 1974-85 requires use of competition apex seal springs part #4352-11-304 1974-85 3 mm width 2 spring design requires use of modified springs 1974-85 includes side piece part #1202-11-302 1974-85 requires use of competition apex seal spring part #zr03-11-c04 3 mm width 1974-85 3 mm width 2 spring design requires use of modified springs included 1974-85 includes side piece part #1202-11-302 3 mm width 1986-95 2 mm width 2 spring design requires use of modified springs included 1986-95 3 mm width 2 spring design seal design is similar to 9103 seal but is made for turbo applications requires use of modified springs 1986-95 3-piece design includes side piece part #n326-11-c02a t t twin-turbo 93-95 rx7 1 0000-01-9101 6 ceramic 12a 3 mm width 1 1 n201-11-300a 4801-11-301 s c 6 6 apex seal 3 mm width apex s
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rotary engine components continued e-8
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rotary engine components continued engine rotary item no 10 10 11 11 12 12 13 13 14a 14a 14b 15 16 part number 4352-11-353 1011-11-353a 1011-11-351 n225-11-351 4352-11-363 1011-11-363a 1011-11-361 n225-11-361 0820-10-605 n3a1-10-507 1668-10-556a code req cssscssssss 2 2 2 2 2 2 2 2 1 1 1 description spring oil seal front/outer spring oil seal front/outer spring oil seal front/inner spring oil seal front/inner spring oil seal rear/outer spring oil seal rear/outer spring oil seal rear/inner spring oil seal rear/inner main seal front main seal front main seal rear model engine type 12a 13b 12a 13b 12a 13b 12a 13b all 12a 13b 12a 13b 12a 13b 12a 13b all 12a 13b 13b tt 12a 13b year all all 1974-83 1974-75 1984-85 1984-95 all all 1974-83 1974-75 1984-85 1984-95 1971-91 not shown in diagram 1993-95 not shown in diagram all heavy-duty spring provides increased pressure notes heavy-duty spring provides increased pressure gasket o-ring sets not shown in diagram see page e-20
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rotary engine components continued e-14
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rotary engine components continued engine rotary item no 31 31 32 33 33 34 34 35 36 37 38 39 40 part number 0839-11-531 n3c1-11-d71 code s s req 1 1 description drive gear distributor drive gear distributor model engine type 12a 13b 20b 13b tt year 1972-91 1993-95 notes drive pulley see cooling system section page c-4 0810-11-403 n326-11-d03 0810-11-404 1881-11-404 0813-10-555a sssss 1 1 1 1 1 pilot bearing pilot bearing seal pilot bearing seal pilot bearing o-ring 12a 12a 13b 12a 12a 13b 12a 13b 1971-73 1974-95 fits 1974 and later eccentric shafts 1971-73 1974-95 fits 1974 and later eccentric shafts all blind plug call for information o-rings blind plug call for information 0820-11-705 9923-60-571 8553-11-411 s s 1 1 2 key flywheel rear key flywheel front plug oil jet 12a 13b 12a 13b 12a 13b 20b cosmo all all all recommended for all competition engines replaces stock jet that uses spring and check ball which can stick flywheel to counterweight 41 42a 42b 43 44
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rotary engine components continued engine rotary item no 44b part number 0000-01-9152 code req 1 description counterweight rear model engine type 12a 13b year all notes modified for use with 5-1/2 clutch and flywheel requires rebalancing of assembly if 1983-85 12a rotors are not used 44b 44b 44b 44b 44b 44b 45 1883-11-751a n226-11-751a 1029-11-751a n327-11-521a n351-11-521 nf01-11-521 s s c/s s s c 1 1 1 1 1 1 counterweight rear counterweight rear counterweight rear counterweight rear counterweight rear counterweight rear 12a 12a 13b 13b all 13b all 20b cosmo 1974-82 automatic transmission 1983-85 automatic transmission 1976-85 automatic transmission 1986-88 automatic transmission 1989-95 automatic transmission all automatic transmission flywheel see clutch flywheel section pages cf-3 cf-8 and cf-11 tension bolt not shown in diagram see page e-24 tubular dowel o-rings not shown in diagram see page e-24 new competition part nt non-turbo t turbo t t twin-turbo 93-95 rx7 e-
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side housings part number 0000-01-9210 code req 1 description front housing bridge-ported model engine type 12a 13b year notes 1974-85 for gt3 csr f/atlantic engs same as part #8871-10-200a but intake port has been machined on cnc machine to correct port timing finish grinding is required reduces hand-grinding time by approximately 50 75 1974-85 recommended for street-port bridge-port peripheral-port engines gas-nitrited material 1974-75 largest intake ports legal for scca ita class rx2 3 4 only 1981-85 1984-85 1986-88 1987-88 1989-91 1989-91 1993-95 all 1974-85 see notes for front housing part #0000-01-9210 above same as part #8871-23-070 below with cnc porting 1974-85 see notes for part #8871-10-200a above 1974 largest intake port legal for scca ita class rx2 3 4 only with emission hole largest intake port legal for scca ita class rx2 3 4 only without emission hole 8871-10-200a c 1 front housing 12a 13b 1757-10-200c 8981-10-200b n304-10-200b n326-10-c00c n318-10-c00d n3
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stationary gears engine rotary part number 4352-10-500a 0000-01-9161 code c req 1 1 description stationary gear front stationary gear front model engine type 12a 12a year all all notes heat treated to resist fatigue use 0000-01-9161 stock 20b gear is modified for use in 12a engine hardened material provides alternative to stock 12a gear main bearing is a competition type multi-window design 3743-10-500 4801-10-500 3648-10-500 n370-10-e00c n3a1-10-e0yb scsss 1 1 1 1 1 stationary gear front stationary gear front stationary gear front stationary gear front stationary gear front 12a 13b 13b all 13b all 13b tt all all 1974-88 1989-91 1993-95 may be used for all 13b engines as alternative to stock type hardened material is similar to competition version main bearing is a competition type multi-window design all 20b cosmo gear may be used for 13b as alternative to stock stationary gear hardened material is similar to competition version main bearing is a competition type multi-window desig
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competition oil pressure regulator information replaces the stock secondary rear regulator with the use of a high-capacity oil pump the competition regulator allows oil pressure in the system to reach 105115 psi installation requires adjustment of the front pressure regulator to ensure it does not limit system pressure front regulator should be shimmed to 1/8 oil pressure regulator miscellaneous part number 4352-14-250 4801-14-250 n3a1-14-230 code c c s req 1 1 1 description oil pressure regulator wet sump oil pressure regulator dry sump oil pressure regulator model engine type 12a 13b 12a 13b 12a 13b 13b tt 12a 13b year all all notes for wet sump system see information above for dry sump system larger bypass capacity to maintain correct pressure all stock pressure regulator for 13b 1993-95 twin-turbo provides approximately 90-100 psi all block mounts on rear housing and has oil fittings to route oil back to front rotor relief valve includes scavenge 0000-01-9511 1 oil block 0
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factory dry sump system engine rotary item no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 part number 4352-14-105 4352-14-110 4352-14-111 4352-14-112 4352-14-114 4352-14-115 4352-14-116 4352-14-118 4352-14-125 4352-14-130 4352-14-151 4352-14-273 9954-20-8501 0820-10-605 0820-14-119 0810-14-113 9923-30-655 9980-80-830 9985-10-825 0839-14-274 9980-30-8115 4352-11-521 code cccccccccccccscccccscc req 1 1 2 1 1 1 1 1 2 1 1 1 1 1 1 2 2 6 6 1 1 1 rear pump body pump cover pump gear scavenge transfer drive shaft idle shaft plunger pressure driven gear plate gear pressure driven gear main driven gear spring o-ring oil seal -front cover key drive shaft snap ring alignment pin bolt stud plug bolt front cover extra long not shown drive gear dry sump not shown description model engine type 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a &13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b
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factory dry sump system oil piping miscellaneous engine rotary item no 1 2 3 4 5 6 7 8 9 10 11a 11b 12 13 14 part number 4801-14-250 4352-14-410 4352-14-420 4801-14-433 4352-14-620 0820-14-625a 0813-14-623 9957-60-800 4801-14-713 4801-14-730 zr03-14-r96 zr03-14-r98 9956-42-200 9938-11-400 9956-21-800 code cccccsssccccsss req 1 1 1 2 1 1 1 2 2 1 1 1 2 1 2 description pressure regulator for dry sump system suction pipe left suction pipe right o-ring suction pipe shaft metering oil pump gear metering oil pump pin clip oil strainer suction pipe oil pipe fitting oil pump 12 fitting oil pump 16 washer fitting oil pump front cover fitting oil pipe washer oil pipe fitting model engine type 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a &13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b 12a 13b e-33
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