Evinrude / Johnson / OMC / BRP 155 HP 1991 Model Commercial 155WTLEI 155WTXEI 155WTPLK 155WTPXK

Clymer - Evinrude / Johnson 2-300 HP Papa Papa (Tae atu ki nga Puku Jet me nga Puku Moana) 1991-1994 B733

• Kapi 2 - 300 HP
• 1991-1994
• Pukapuka Hoahoa

SELOC - Johnson / Evinrude Waho, 1973-91 Pukapuka Whakatika # 1308

• Kei te whakakotahi i te 60-235 HP, 3-Riri, V4 me V6, 2-Stroke Tauira, Kei roto i nga Taikaha Jet
• 1973-1991
• He Tika Whakatika

18-0182 Taputapu Hauwha

• Sierra ine mahana Gasket
• Tutuki nui te kounga taputapu taketake ranei
• tau wahi Sierra: 18-0182-9
• Whakawhiti ki te whai ake: GLM 30610, Evinrude / Johnson 310058, Mallory 9-60002, Mercury 27-62386, 27-62386001

18-1219 Thermostat Tae Tae

18-1243 Thermostat Paeho Spring

(V4 / V6 Crossflow)

18-3543 Marine Thermostat

• 143 deg farenheigt

18-3562 Hotmostat Valve Cup

Sierra 18-3564 Poppet Sotaiete takirere - V4 Crossflow

• Sierra Poppet Sotaiete takirere
• Tutuki nui te kounga taputapu taketake ranei
• tau wahi Sierra: 18-3564
• Whakawhiti ki te whai ake: GLM 46170, Evinrude / Johnson 318395

Te Raina Tae Whero

mo Johnson / Evinrude 18-3565

Sierra 18-3567 Rubber takirere Pātūpoho

• Sierra Rubber takirere
• Tutuki nui te kounga taputapu taketake ranei
• tau wahi Sierra: 18-3567
• Whakawhiti ki te whai ake: GLM 46140, Evinrude / Johnson 321221

18-3674 ine mahana Kit

• Ko whakawhiti ki te whai ake te Kit Sierra 18-3674 ine mahana: GLM 13280. Kei roto: 18-1219 Grommet Gasket, 18-0182 ine mahana Gasket, 18-3135 kowiri tira kanapu, 18-2546 ine mahana Gasket, 18-3567 Rubber takirere, 18-3562 takirere Cup, 18-1243 takirere Spring, 18-3563 Poppet Sotaiete piha, 18-3565 Retainer, 18-3543 ine mahana.
• Sierra ine mahana Kit
• 18-3543 ine mahana Kei
• tau wahi Sierra: 18-3674
• Whakawhiti ki te whai ake: GLM 13280

18-2229 Driveshaft Shim

.003 ", 1.24 ID

18-2230 Driveshaft Shim

.004 ", 1.24" ID

18-2231 Driveshaft Shim

.005 ", 1.24" ID

18-2251 Tae Taonga

• Sierra Tika Tae
• Tutuki nui te kounga taputapu taketake ranei
• tau wahi Sierra: 18-2251
• He rereke me nga mea e whai ake nei: GLM 22417, Evinrude / Johnson 5004765, 436740, 435022, 433017
• Uru motuhake, tirohia ngā tau wahi ki te whakarite pai tika

18-3708 Prop Nut & Kaitiaki

18-3715 Marine Taonga Nati

Kit tirotiro:

• 18-3708    398042 Prop Nut / Kaitiaki
• 18-3741    309955 Cotter Pin
• 18-4231    320570 Prop Spacer

18-3741 Marine Cotter Pin

1 / 8 "x 1 3 / 4"

18-4231 Marine Prop Spacer

18-9219 Taitapa Rawa

• Sierra Lower Drive Shaft
• Tutuki nui te kounga taputapu taketake ranei
• tau wahi Sierra: 18-9219
• Whakawhiti ki te whai ake: GLM 22407, Evinrude / Johnson 335677
• Ko te Tae Whakakuku mo etahi Johnson Evinrude 90 ki te 225 HP whakakapi i te 345905 335677

90 - 300 HP Kaihanga Aluminium mo te V-6 Gearcase (15 Spline me te Thru-Hub Whakaorangia)

E whai ana ki nga Ebora o Evinrude Johnson (15 Spline)

• 90 HP V-4 1995-Hou
• 100 HP V-4 Hokohoko 1884-Hou
• 115 HP V-4 1995-Hou
• 130 HP V-4 1995 Hou
• 120 - 140 HP V-4 1985
• 140 HP V4 1989-1994
• 150 HP V-6 1978-Hou
• 150 HP V-6 Hokohoko 1993-Hou
• 155 HP V-6 Hokohoko 1978-Hou
• 175 HP V-6 1977-Hou
• 185 HP V-6 1984-1985
• 200 HP V-6 1976-Hou
• 225 HP V-6 1986-Hou
• 235 HP V-6 1978-1985
• 250 HP V-6 2001-Hou
• 2.6 Pukapuka V6 1984-1985
• 250 HP V-8 1991-Hou
• 275 HP V-8 1986-1988
• 300 HP V-8 1986-1995
• 3.6 Liter V-8 1986-1987

Ko te tawhiti te tawhiti, i roto i te inihi, ka tere te poti me te takahuri kotahi te takahuri (i raro i nga ahuatanga pai). Piirangi teitei = Tere, Tuwhi i Raro = He puhoi me te kaha ake.

Kaipupuri Aluminium mo te V-6 Gearcase (15 Spline me te Whanui Thru-Hub)

Ko etahi atu whiringa kaiwhakapaoho hototika 

90 - 300 HP Kaihanga Aluminium mo te V-6 Gearcase (15 Spline me te Thru-Hub Whakaorangia)

90 - 300 HP Stainless Steel Propellers mō te V-6 Gearcase (15 Spline me te Thru-Hub Whakamutunga)

Hoki ki Kaihanga:

90 - 300 HP kowiri kowiri tira mo te V-6 Gearcase (15 Spline and Thru-Hub Exhaust), Tika me te Kaihuri Tika.

E whai ana ki nga Ebora o Evinrude Johnson (15 Spline)

• 90 HP V-4 1995-Hou
• 100 HP V-4 Hokohoko 1884-Hou
• 115 HP V-4 1995-Hou
• 130 HP V-4 1995 Hou
• 120 - 140 HP V-4 1985
• 140 HP V4 1989-1994
• 150 HP V-6 1978-Hou
• 150 HP V-6 Hokohoko 1993-Hou
• 155 HP V-6 Hokohoko 1978-Hou
• 175 HP V-6 1977-Hou
• 185 HP V-6 1984-1985
• 200 HP V-6 1976-Hou
• 225 HP V-6 1986-Hou
• 235 HP V-6 1978-1985
• 250 HP V-6 2001-Hou
• 2.6 Pukapuka V6 1984-1985
• 250 HP V-8 1991-Hou
• 275 HP V-8 1986-1988
• 300 HP V-8 1986-1995
• 3.6 Liter V-8 1986-1987

Ko te tawhiti te tawhiti, i roto i te inihi, ka tere te poti me te takahuri kotahi te takahuri (i raro i nga ahuatanga pai). Piirangi teitei = Tere, Tuwhi i Raro = He puhoi me te kaha ake.

OMC me Michigan Stainless Steel

Mahinga Miihini Mahinga Michigan

Michigan Ball High-Performance Kamupene Rino

Ētahi atu kōwhiringa tohu e hāngai ana: 

90 - 300 HP Kaihanga Aluminium mo te V-6 Gearcase (15 Spline me te Thru-Hub Whakaorangia)

90 - 300 HP Stainless Steel Propellers mō te V-6 Gearcase (15 Spline me te Thru-Hub Whakamutunga)

Hoki ki Kaihanga:

BRP Evinrude Johnson V6 150-300 HP me te 90-130 HP, 25 "Tima, 2-Stroke Kaiwhakarite kowiri Tira

He kowiri tira V6 135-300 HP & 90-130 HP, 25 "Toi, 2-Hukahuka

• 15 Spline
• Kit Kit Tohunga TBX 177283 mo nga Poutere Evinrude / Johnson V6  Amazon  eBay
•  
• Panui: Kei kona ano tetahi Kit TBX Hub e mahi ana enei kaipupuri i te taha o Suzuki / Mercury / Honda / Yamaha V6. 177288    Amazon   eBay
•  
• 90 & 115 HP Evinrude® E-TEC®, 25 "Toi, 2004-tae atu ki
• 100 HP, 2004-tae atu ki
• 100 HP Pakihi, 1984-thru
• 120 & 140 HP, 1985
• 130 HP, 1995-1996
• 130 HP Evinrude® E-TEC®, 2009-2010
• 135 HP, 2000-tae atu ki
• 140 HP (25 "), 1989-thru
• 150 & 155 HP Hokohoko, 1978-thru
• 150-300 HP, Evinrude® E-TEC®, 2004-tae atu ki
• 175 HP, 1977-tae atu ki
• 185 HP, 1984-1985
• 200 HP, 1976-tae atu ki
• 225 HP, 1986-tae atu ki
• 235 HP, 1978-1985
• 2.6 rita, 1984-1985
• 250 HP, 1991-tae atu ki
• 275 HP, 1986-1988
• 300 HP, 1988-tae atu ki
• 3.6 rita, 1986-1987
• Evinrude® E-TEC® G2, 2015-tae atu ki
• Tuhipoka: Ko nga Kaihini kowiri tira V6 katoa, e uru ana ki nga papanga Evinrude® E-TEC® G2, me utu mai i nga taarua ritenga. G2 TBX ™ papa kete # 767683   Amazon   eBay

He kowhatu kowhatu, Stern Drive 15 Whakapaipai Rawa

15 Spline
800 Series

• 3.8 - 5.7 Rita, 1978-thru

OMC Cobra®

• 4.3 - 5.7 Rita, 1986-thru

OMC moana Drive®

• 2.0 - 4.0 Rita, 1982-thru

OMC Kingi Cobra®

• 7.4 - 8.2 Rita, 1990-thru

BRP Evinrude Tino Panui Tira Panui Tohu TBX

• Whakamahia te Hubx Whakawhitihia te TBX
• Kei te waatea i te Paerewa RH Paerewa
• Kei te waatea i te Kaihoko LH Kaihuri

BRP Evinrude Viper TBX He kowiriira kowiriariki mo te Runabout me te Huringa Whanui

Mena kei te hiahia tere koe, kei te hiahia koe i te taputapu Viper. He roa ake nga mata kua horoia, a, ko te diameter nui ake, he pai ake te pupuri o te wai i te tere tere o te wai, me te tere o runga rawa. He pai rawa atu i runga i nga poti whakangahau, mai i nga rerewini me nga kaiwhakatere waka tae atu ki nga poti rahoraho.

• Whakamahia te Hubx Whakawhitihia te TBX
• Kei te waatea i te Paerewa RH Paerewa
• Kei te waatea i te Kaihoko LH Kaihuri
• Te mahinga rekoatae 3-Blade
• Te toenga o te tere me te mauroa

BRP Evinrude Cyclone TBX He kowiri tira 4-Blade mo te Haerere i te Takutai Haahi me te Haahi

Ki te hiahia koe i tetahi taputapu kia tika te haere me te pono i roto i nga ahuatanga katoa o te wai, whakawhirinaki ki te taha o te Huripari kia mau tonu nga pane o te kapehu kia mau tonu ki nga wai nui. I hoahoahia mo nga poti motuka taumaha me te taarua-miihini tae atu ki nga rererangi.

• Whakamahia te Hubx Whakawhitihia te TBX
• Kei te waatea i te Paerewa RH Paerewa
• Kei te waatea i te Kaihoko LH Kaihuri
• Te tino mahi mai i te taiwhanga 4-matapae me te kaiwhakatakoto rere
• Ka noho ki te waka rererangi me te iti o te RPM
• Nga raka tika ki nga tikanga wai katoa
• He iti ake nga wiri me te whakapai ake i te maakete wahie

BRP Evinrude Rebel TBX He kowiri tira 3-Blade Whakahapa mo te Wharekauri ki uta

I hangaia te miihini whakakeke Rebel kia pai ake ai te tere haere waenga me te mahi runga-mutunga i runga i te V6 Evinrude E-TEC. Ko te diameter nui me te anga mata pai te tere tere i nga RPM iti ake hei whakapai ake i te ohanga hinu. Ka neke atu koe i nga maero ki te galon me te waa tere tawhiti. Ko nga tauira hurihuri paerewa me te huri takahuri kei te waatea mai i te 15 ki te 25-inihi te teitei. Whakamahia te kaiwhakahauhau Rebel i runga i nga poti tuawhenua, nga rerenga nui, tae atu ki nga poti pontoon nui kia pai ai ta raatau mahi.

• Whakamahia te Hubx Whakawhitihia te TBX
• Kei te waatea i te Paerewa RH Paerewa
• Kei te waatea i te Kaihoko LH Kaihuri
• He kowiri tira teitei
• I hoahoatia hei hanga ma te miihini mo te tere haere i te haerenga mai i te midrange
• Kua pai ake te ohanga o te wahie ki te whanaketanga tere ake
• Whakamahia ki runga kaipuke, tuuru nui, me nga poti hauti.

BRP Evinrude Raker HO Kaitohutohu mo nga poti Bass me te mahinga nui

Kei te titiro tere ki te rererangi - ka tere te oma? Ko te taonga Raker II kua hoahoahia mo te hanga i nga miihini RPM me te tere tere ki a koe. He taonga pai ki te eke papa, ina koa kei te neke atu te poti ki te 50 mph. He pai mo nga poti bass me nga poti mahi-pai. Ka whakamahia e te kaiwhakahauhau a te Raker he rua poka ki te tari whakapau o waho kia taea ai e nga hau haurangi te haangai i te waahanga mata. Ma tenei ka ahei te miihini ki te hanga RPM kia tere te tere o te poti ki runga i te rererangi. I nga tere teitei ake, ko te wai mai i te rere ki mua o te aukati ka aukati i enei kohao poka, kia aukati. ratou i ventilating nga matatahi. Ka whakamahia e te V6 Raker II te punaha hub TBX

• Tere, Tere, Tere
• Whakamahia ai te punaha hub hub TBX
• Ko nga tiihi rakei teitei ake o te rake e whakarato ana i te riihi kopere nui me te tere o te pito o te mutunga
• He kohinga motuhake mo te whakatere kaha
• Whakatauhia nga paerewa teitei o te mahinga tere tere
• Ka whakanui i te mana pai me te taraiwa o te miihini E2 TEC GXNUMX Evinrude

Ko etahi atu whiringa kaiwhakapaoho hototika

BRP Evinrude Johnson V6 150-300 HP me te 90-130 HP, 25 "Kaipara, Kaihikoi Aluminium

BRP Evinrude Johnson V6 150-300 HP me te 90-130 HP, 25 "Tima, 2-Stroke Kaiwhakarite kowiri Tira

Hoki ki Kaihanga:

BRP Evinrude Johnson V6 150-300 HP me te 90-130 HP, 25 "Korero, 2-Stroke, Kaihinii Aluminium

He Parani Huihuinga a Evinrude / Johnson

-Tahi Mahi mo te Moni! Ko nga taputapu Evinrude / Johnson he mea maka ki te koranu konumoana kia pai ake ai te kaha me te ora roa atu i nga peera noa. He maha nga papa papaaho a Evinrude / Johnson e tere tere ana mo te mahi o runga rawa. Ko te peita tunu waikurai i tunua-i runga i tetahi atu parenga ki te wai tote me te waikura piauau.

• Ko te whakariterite tonu te tino kaha me te ora roa
• He peita whakakakahu-i runga i te peita karu ka tiakina
• I miihini ki te taha ki te pihi mana o to papanga mo te mahi pai ake.

V6 Poti 150-300 HP & 90 - 300 HP, 25 "Porotaka, 2-Hukahuka

• 15 Spline
• Kit Kit Tohunga TBX 765195  Amazon  eBay mo Evinrude / Johnson he perehana me te Whakawhiti Hanganga 
• Tahi atu Kitka Kaitirotiro TBX kaitohu whakataetae e waatea ana.
•  
• 90 & 115 HP Evinrude® E-TEC®, 25 "Toi, 2004-tae atu ki
• 100 HP, 2004-tae atu ki
• 100 HP Pakihi, 1984-thru
• 120 & 140 HP, 1985
• 130 HP, 1995-1996
• 130 HP Evinrude® E-TEC®, 2009-2010
• 135 HP, 2000-tae atu ki
• 140 HP (25 "), 1989-thru
• 150 & 155 HP Hokohoko, 1978-thru
• 150-300 HP, Evinrude® E-TEC®, 2004-tae atu ki
• 175 HP, 1977-tae atu ki
• 185 HP, 1984-1985
• 200 HP, 1976-tae atu ki
• 225 HP, 1986-tae atu ki
• 235 HP, 1978-1985
• 2.6 rita, 1984-1985
• 250 HP, 1991-tae atu ki
• 275 HP, 1986-1988
• 300 HP, 1988-tae atu ki
• 3.6 rita, 1986-1987
• Evinrude® E-TEC® G2, 2015-tae atu ki

V6 Stern Drive 15 Whakapaipai Pai

15 Spline
800 Series

• 3.8 - 5.7 Rita, 1978-thru

OMC Cobra®

• 4.3 - 5.7 Rita, 1986-thru

OMC moana Drive®

• 2.0 - 4.0 Rita, 1982-thru

OMC Kingi Cobra®

• 7.4 - 8.2 Rita, 1990-thru

Ko etahi atu whiringa kaiwhakapaoho hototika

BRP Evinrude Johnson V6 150-300 HP me te 90-130 HP, 25 "Tapapa, 2-Stroke Kaiwhakarite Aluminium

BRP Evinrude Johnson V6 150-300 HP me te 90-130 HP, 25 "Tima, 2-Stroke Kaiwhakarite kowiri Tira

Hoki ki Kaihanga:

18-5808 STARTER SOLENOID

Sierra 18-6759 Whakatau me te Trim Motor (Moto anake)

• Ko te hoahoa hou e rua-waea mo te nuinga o te 2, 4, 6 me 8 engines, e pai ana ki te tono 1982 hei whakaatu
• Momo Hononga: 3 Bolt
• Whakamahia te 18-7510 O-Ring

DB Electrical TRM0004 Power Trim Motor Tilt mo Evinrude, Johnson, OMC, Sea-Drive Ko nga tauira katoa 81-92 / 391264, 393259, 393988, 394176, 983019 / PT301NM / 18-6759 / 6220

XLNUMX-18 Whero Carburetor me Seat

18-7046 Carburetor Kit

18-4304 Powerhead Hangarau Hanga

Kei te Whakaritea te Hangarau:

18-2549 Te Papa Kino Gasketanga 321543 1
18-2876 Taupoki-Poto Cover Gasket 307133 6
18-2544 Takahikete Pounamu Waipene Gasket 321028 2
18-2545 Kino Pihikete Gasket 321182 1
18-0979 Air Silencer Gasket 321183 1
18-2546 Therketat Gasket 321184 2
18-0991 Raukaha Rapa Gasket 321907 6
18-2547 Te Kete Hiko Whakakuku Gasket 322858 1
18-0995 Whakapurutau ki te Powerhead Gasket 323222 1
18-0134 Carburetor Ki Te Whakaaturanga Gasket 327707 3
18-0148 Intake Manifold Gasket 329718 1
18-2964 Head Gasket 320745, 335360, 766779 2
18-2550 Powerhead Gasket 323214 1
18-2857 Te Whakararu Hauora Ki Te Taakapa Gasket 386573, 319771
18-2001 Tohu Hinu Hinu 330137 1
18-2074 Tohu Hinu Hinu 322575 2
18-8307 Tohu Hinu Hinu 331103 1

391988 Powerhead Hangarau Hanga

18-2964 Head Gasket

18-3896 iti Kōpeketanga Head Gasket

• Sierra Head Gasket
• Tutuki nui te kounga taputapu taketake ranei
• tau wahi Sierra: 18-3896
• Whakawhiti ki te whai ake: GLM 35940, Evinrude / Johnson 332817

Ko te 18-5179 Ignition e whakauru ana i roto i te Kohikohi

18-5885 Paeko Motu mo te V6 5800 rpm rohe.

• Sierra Power Pack
• Tutuki nui te kounga taputapu taketake ranei
• tau wahi Sierra: 18-5885
• He rereke nga mea e whai ake nei: CDI 113-3865, Evinrude / Johnson 583865, Mallory 9-25024

Ka rere te Cross me 35 AMP anake

Ko te 876M Rawa Whakapae QL16V

• Kohikohia te 0.30 Puku

Sierra 18-1353 Center Whakaatu Nui

• Te Haina Nui o te Kawanatanga
• Tutuki nui te kounga taputapu taketake ranei
• tau wahi Sierra: 18-1353
• Whakawhiti ki te whai ake: GLM 22810, Evinrude / Johnson 5007190, 387041

18-1374 Waitohu Tohu Waitohu

• Whero Whero Porowhita
• Tutuki nui te kounga taputapu taketake ranei
• tau wahi Sierra: 18-1374
• He whakawhitiwhiti ki nga mea e whai ake nei: GLM 16220, Evinrude / Johnson 395627, Mallory 9-51103, Wiseco W5217

18-1377 Center Whakaaturanga Matua

• Te Haina Nui o te Kawanatanga
• Tutuki nui te kounga taputapu taketake ranei
• tau wahi Sierra: 18-1377
• Whakawhiti ki te whai ake: GLM 22710, Evinrude / Johnson 352960, 320499

18-3905 Piston Ring

• 4 me te 6 cylinder
• Ko te 3.53 inihi te nekehanga (.03 te nui ake)
• OMC 396504

18-4040 Taura Whanui Moana

18-4075 Hono Hononga Rod Bolt

• Whakakorehia te waahanga OEM # 308186

392591 Hono Hononga

• Johnson Evinrude Hono Hononga
• 392591
• C # 321712

Ko te Sierra 18-1361 Rod Crank End Bearing

• Ko te Whakamutunga Whakamutunga a Perera Cierra
• Tutuki nui te kounga taputapu taketake ranei
• tau wahi Sierra: 18-1361
• Whakawhiti ki te whai ake: GLM 22820, Evinrude / Johnson 387787, Mallory 9-51100
• Uru motuhake, tirohia ngā tau wahi ki te whakarite pai tika

18-1395 Rauaru Crankshaft

• Sierra Lower Crankshaft Bearing
• Tutuki nui te kounga taputapu taketake ranei
• tau wahi Sierra: 18-1395
• He rereke me nga mea e whai ake nei: Evinrude / Johnson 385503, Mallory 9-51106

18-3906 Piston Ring

• 3.53 inihi (.03 nui ake)

18-2623 Kotahi Rawa Kotahi Waehu

Panui: 2004-AB E-TEC - Nga taputapu kore SLE anake

Katoa te Kii Mokowhitu Waehu mo Johnson Evinrude V4, V6, V8

18-2623 he rite ki te tau OEM o mua o te 439141 (kaore i te wātea mai i tenei OEM, inaianei ko 439141 tenei hei wehe i te 5006373).

18-8384 he rite ki te 5006373 (kahore o enei e rite ki te 18-2623)

Ko te waahanga OEM o te 18-8384 me te 5006373 ka whakamahia hei whakakapi i nga tau whakauru katoa o mua me te 18-2623, i te wa e he iti te tauira o te 18-2623 me te 439141 e karanga ana mo tenei tau motuhake, tetahi tau o mua ranei ka whakawhitia ake ki te nama OEM 439141.

Paataka Kit
Wahanga # Pan. OE # Qty.
18-0110 Hangarau Hanga Whare Hurihuri 314082 1
18-2001 Waitohu 330137 2
18-2002 Waitohu 320862 2
18-2026 Waitohu 321453 2
18-2061 Waitohu 329922 1
18-2062 Waitohu 329923 1
18-2377 tīwiri 316563 4
18-2378 Whakaaho i te Whakaaho Motuhake 318544 1
18-2536 O-Ring 315788 1
18-2557 Kaihoko Hokona 338484 1
18-4248 mōria 311598 2
18-7109 O-Ring 317178 1
18-7120 O-Ring 307853 1
18-7127 O-Ring 313446 1
18-7130 O-Ring 314728 1
18-7133 O-Ring 305123 2
18-7137 O-Ring 318372 2
18-7142 O-Ring 322119 1
18-7144 O-Ring 333572 3
18-7145 O-Ring 332584 1
18-7475 mōria 328743 4
18-8300 Waitohu 341280 1
18-8301 Waitohu 341281 1

Ko te hiko o te moana Sierra Marine Unity Kit e rite ana ki nga waahanga:

• 439141 Evinrude Johnson OMC BRP
• 9-74106 Mallory Marine

18-2290 Tae Tae

434519 Johnson Evinrude OMC Kuti & Hiko O-Mowhiti & Hoko Hoko Whakaara Mete

60-300 HP 1991-2006 TNT Units